Archives for posts with tag: Julie F Hill

Occupied

June 13, 2026 //
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It was a brilliant busy weekend at the Safehouses Peckham for Occupied: Strange Company. So many visitors commented on the excellent curation of the works by Julie Hoyle. Each room had its own unique atmosphere yet all blended so seamlessly across the two houses. I was very happy with the placing of my two installations, one in the rafters the other in a dark recess under the stairs. Both works look to other life forms that we coexist with and often overlook – the mollusc and the creatures of the gutters.

Installation images of my work by Emma Brown Photography

Belly of a Rock suggests a mysterious place of chemical conversations at the intersection of the organic and the inorganic where innards ooze and rocks moan in primordial formation. Reflecting on the emerging consciousness of early life and the urge to communicate and create, as described by Italo Calvino in his story ‘The Spiral’, where a simple mollusc secretes a beautiful spiral shell to impress a beloved, although neither have eyes to visually appreciate the endeavour this act of blind creation becomes a catalyst for evolution.

Guttanaut alludes to Oscar Wilde’s familiar quote ‘We are all in the gutter but some of us are looking at the stars’. This video installation transports the viewer to exotic otherworlds inhabited by microscopic creatures found in a drop of water or tuft of moss in the dank environs of house gutters. Icosahedron and octahedron shapes representing the elemental qualities of water and air appear as constructs for satellites or modes of exploration across this alternative cosmos.

Julie Hoyle brought together a cross-section of artists from Royal Academicians to emerging practitioners, alongside artists working within disability and community contexts reflecting her interest in community and unexpected connections.

Works across the exhibition move between the intimate and the otherworldly, often unsettling the boundaries between body, space and perception. Included within a range of strange bodily presences are Susan Aldworth’s work Reassembling the Self. Internal, fragmented and reconfigured lithographs exploring how identity may be disrupted through trauma, illness, or simply the experience of being alive. As does Fungai Marima’s practice, using her own body as both subject and archive in performance. Repeated gestures of exposure and persistence draw attention to the private realities of anxiety and endurance. Charlie Betts’s practice is also rooted in movement and performance. Through drawing and action, she captures fleeting physical states that hold presence, absence and memory in tension. Mary Branson’s installation explores the fragile boundary between rest and exposure through vessel forms and the sound of breathing, evoking a vulnerable presence within places we assume are safe. This focus on vulnerability and embodiment resonates with Us and Them, a series of wet plate collodion portraits by Emma Brown in collaboration with Freewheelers Theatre & Media Company, a creative company of disabled artists and performers, reflecting on representation, visibility and shared humanity. In a shift of atmosphere, Marcelle Hanselaar transforms familiar interiors into psychologically charged scenes where bedrooms and domestic spaces become sites of unease, desire and dreamlike threat. Her figures appear exposed, restless and vulnerable, inhabiting worlds where intimacy and danger uneasily coexist. Beyond the body, the exhibition extends into the domestic, material and more-than-human worlds we inhabit. Janet Currier’s work turns to the objects and organisms we live alongside, where repetition, attachment and care become central. Rooted in the domestic and often autobiographical, her sculptural arrangements suggest that the things we tend to – fabrics, forms, fragments – hold memory and presence, quietly accumulating meaning over time. A similar sensitivity to material and instability is present in the work of Mandeep Dillon and Marielle Schram. Dillon’s ephemeral sculptures explore pressure, balance and the temporary nature of form, their fragile, inflatable structures responding to subtle environmental shifts and hovering between buoyancy and collapse. Schram’s small-scale sculptures and drawings translate emotional experience into tactile form, where diverse materials are handled with sensitivity and control, balancing strength and vulnerability. In both practices, making becomes a visible negotiation between material, form and feeling. Sue Baker Kenton and Ann Norfield consider how things are kept, categorised and carried through time. Baker Kenton’s installation of painted, box-like structures reflects on containment and hidden histories, while Norfield’s use of collected bones and print processes brings a quieter, more direct engagement with chance, hope and the precariousness of life. Together, they reflect on accumulation, fragility and the tenuous nature of what we hold on to. A more overtly uncanny register emerges in works that draw on folklore, memory and psychological space. Oona Grimes’s film and drawings draw on historical and cinematic references to create fragmented, misremembered scenes in which figures appear both comic and spectral. This sense of dislocation and re-framing is echoed in the work of Tom Sliwinski, whose drawings present a personal and immediate view of the world, where historic interiors and figures take on a ghostly presence. A different sense of time emerges in the work of Penny Green and Roya Pourzadi, whose figures and forms draw on myth, symbolism and cultural memory. Their works carry a feeling of something ancient yet still in motion, not fixed in the past, but moving through it. Pourzadi’s imagery draws on Persian histories and elemental forces, where water, vessels and symbolic figures suggest cycles of renewal, fragility and transformation. In contrast, Green constructs a world of masquerade, blending emblems and archetypes across time. Her Wild Women and reworked objects draw on mythological forest figures and medieval imagery, creating presences that feel both rooted in history and strangely alive within the present. Throughout the exhibition artists construct distinct visual worlds that shift between observation and imagination. Katherine Jones transforms familiar imagery through intense light and distortion, pushing it towards something simultaneously seductive and unsettling, beauty and unease seem to exist in tension. Helen Baines painting ‘Show Horse’ similarly draws on lived experience and symbolic imagery and questions the uncomfortable truth of how we bend animals to our will in the name of discipline, love or tradition. A suspended bird moves through a constructed interior that feels both familiar and uncertain in Karl Newman’s Melancholy Study holding a moment of stillness charged with anticipation. Rooted in a deep connection to the natural world, Temsuyanger Longkumer’s installation centres on the reconstruction of a tree, drawn from his printmaking practice. Re-situated within the interior of the house, the work introduces a presence that feels both elemental and enchanting. Oak, wormshells, shed snake skin, hedgehog spines, mouse bones are just a few of the organic and unsettling materials used in Tessa Farmer’s sculptural interventions. Her work introduces meticulously constructed miniature worlds, bringing a darkly intricate presence into the house. Imagined or parallel worlds shaped through narrative and invention is prevalent in Adam Green’s work. His painting shown here presents a system-like visual language of pattern, geometry and reptition, suggesting constructed environments that are at once playful but possibly unstable. Elsewhere, David Ferry’s photomontages reimagine landscape through layered and unexpected combinations, where deserts, oases and shifting terrains disrupt familiar visual language, creating a sense of both recognition and disorientation. Finally and beyond the interior, several works extend into speculative and cosmological realms. Susan Eyre’s video-sculptural installations imagine hybrid lifeforms at the intersection of the organic and inorganic, expanding the exhibition beyond the domestic into a wider consideration of time, scale and the unknown.

Together, the exhibition forms a temporary community of presences, installed in close proximity, the works begin to speak to one another in unexpected ways, forming subtle and unexpected relationships that create a charged and shifting environment in which the familiar is rendered persistently strange.

I am excited to be selected for the HIRESidency at Equivalentbehaviour founded by Katrina Stamatopoulos and Wojciech Kawczyk, who specialise in photographic scanning and digitising photographic film, prints and 3 dimensional mixed-media artwork.

My proposal is to scan the Book of Reversals to make a digital work with narration. The physical work will be exhibited at Brompton Cemetery Chapel in the upcoming Appearances are a Glimpse of the Unseen. This book is a poetic interpretation of the formation of planet Earth and its turbulent internal fluid core that generates an unpredictable but protective magnetic field prone to sudden changes in polarity. Ocean floor magnetic stripes are a geological phenomenon consisting of alternating bands of differing magnetic polarity. Our planet is a complex and dynamic body where interactions occur ceaselessly between the inner core the outer core the mantle and the crust.

Marie Tharp was an American geologist and oceanographic cartographer. In the 1950s, she was instrumental in producing the first scientific map of the Atlantic Ocean floor revealing a detailed topography and multi-dimensional geographical landscape of the ocean bottom. She translated thousands of sonar readings from ships she was barred from boarding as a woman scientist. Mapping the Atlantic, she identified a continuous rift valley along the Mid-Atlantic Ridge: the first visual evidence of seafloor spreading, the mechanism behind plate tectonics and continental drift. When she showed the map to her colleague Bruce Heezen, he dismissed it as “girl talk.” The idea was still considered too radical, especially from a woman excluded from research vessels. But the evidence kept proving her right. As more surveys arrived and earthquake patterns matched her work, the scientific world accepted by the early 1960s, the planet is not fixed, but alive and in motion. In 1977 she co-published the first complete map of the world’s ocean floor, transforming geology, navigation, and our understanding of natural disasters. In 1997 the Library of Congress named her one of the 20th century’s greatest cartographers, and in 2023 National Geographic awarded her the Hubbard Medal. Thanks to Herstory_feminism for highlighting these amazing usually overlooked women who contributed so much.

It was great to meet the team at ArtEO in an online group meet and introduction to the collective initiative that aims to make satellite imagery and data sets available to artists.

I am excited to have access to imagery that I would never be able to create for myself to feed into my work. I am interested to explore aspects of Earth’s magnetic field in relation to how it might be monitored using satellites, how it impacts the functionality of satellites and how satellites might themselves impact the magnetic field. While bringing so much data and valuable information for us to monitor the Earth and run its infrastructures and provide global communication the increasing number of satellites may put us at risk from over reliance on this technology in the face of an unpredictable force of nature. I hope to learn more about how satellites might help in predicting solar storms and what data sets are produced to model the interaction between high energy particles and the magnetosphere. I would also like to explore the relationship between satellite technology and natural phenomena and the balance between observing and disrupting. These images show an active volcano and a site of mineral extraction.

I have been busy with preparations for the upcoming Appearances are a Glimpse of the Unseen which will be in The Chapel at Brompton Cemetery curated by Catherine Li with the support of The Friends of Brompton Cemetery.

I am making a new sculpture in the series Instruments of the Anemoi set of dodecagon tablets cast in Snowcrete, a non-magnetic cement, as used in buildings at a magnetic observatory. Suggestive of the pedestals that support various instruments used in monitoring the Earths’ magnetic field they also respond to an ancient anemoscope “table of the winds” carved in marble around eighteen hundred years ago with the names of the classical winds, both in Greek and in Latin inscribed on each of its twelve sides.

These sculptures are envisaged as speculative objects from past times, shown on repurposed theodolite or telescope tripods, reflecting on methods and tools of natural navigation such as magnetism, wind and stars. The new tablet will reference celestial navigation. Polaris has not always been the Pole Star as Earth’s axis of rotation wobbles over the course of about 26,000 years and many other stars take their turn at pointing to geographic North. I am centring Thuban in the constellation of Draco who took the position between two and four thousand years ago. I have been growing mono-ammonium phosphate crystals to use to outline the constellations whose lines are mapped by casting the concrete onto a collagraph set in a silicon mould. Once the concrete has set, it must be excavated from the cardboard collagraph by careful scraping and peeling away.

I have also been working on new images for submīrārī (earthbound), which feature the unique convergence of nature, history and serenity at Brompton Cemetery along with a myriad of angels that inhabit it. In looking for cultural and scientific explanations of angels I came across a book The Physics of Angels: Exploring the Realm Where Science and Spirit Meet, in which co-authors Rupert Sheldrake and Matthew Fox discuss parallels between quantum mechanics and early theories of angels, particularly Thomas Aquinas’ teaching that angels are immaterial bodies and creatures of light. The language used to describe the esoteric and the spirit world can often be substituted with the language of physics used to explain energy in its various manifestations.

The images I have been working on are to be printed with sublimation dyes onto organza. I was sad to discover that Promptside printers, who have been so generous to me in the past, in providing paper prints for me to heat press, are no longer operating. I am trying a new company Contrado.

Out of studio activities

Just squeaked in to see The London Group exhibition This That and The Other at The Handbag Factory on its final day.

I managed to catch a couple of the talks ‘In the dark’ room and was intrigued by the work of Ash Xu which responded to the brainwaves of visitors wearing a headpiece attached to a screen monitor. The ‘Cosmic in the Brain’ series is an experimental artistic practice that merges neuroscience technologies with generative art, aiming to translate the abstract processes of human thought into the creation, evolution, and integration of stars within a virtual cosmos via Brain-Computer Interface (BCI) technology. The work is a collaboration between the artist and the audience. Through intuitive interaction, individual ideas are translated into a shared digital cosmos, allowing each participant’s inner world to contribute to the collective constellation. This process turns private thought into a visible, living landscape, one that unfolds in real time and belongs equally to everyone present.

I also was drawn to the video work by Eric Fong – A haunting journey through Horton Cemetery in Epsom, where thousands of pauper patients, mostly women, from five nearby mental asylums were buried. It is now an abandoned, derelict and overgrown site, where all grave markers have been removed, except one. The footage is overlaid with words drawn from the medical case notes of those buried there.

Mesmerising work by Sandra Crisp – ‘Dark Particles [slow_data]’ explores hybrid forms emerging where biological process and computational culture collide. Particle systems and differential growth generate organic structures whose surfaces are mapped with emoji and climate infographics — the residue of our information-saturated present absorbed into coral-like, cellular forms. Particles fall, accumulate, stick and die. Forms grow, darken and sediment. Rendered in monochrome on everyday hardware, the work embraces slowness. Like fossils, these forms carry traces of their moment — compressed into something unreadable, elusive and dark.

David Redfern On the 12th September 1768 Captain James Cook put in to the island of Madeira to resupply his ship ‘Endeavour’ at the beginning of his epic voyage around the world. Also on board ‘Endeavour’ was a private party of scientists, artists and the amateur botanist Joseph Banks. Banks discovered 25 new plant species on Madeira and needed to preserve the specimens he gathered. He pressed them in a book, a copy of a criticism of Milton’s ‘Paradise Lost’, written by Joseph Addison. The mythical Garden of Eden pressed up against scientific specimens contributing to the burgeoning science of botany. Paradise Lost Book leaves, gathered images 200 x 180cm. This work captured my attention as I am interested in ‘paradise’ and have been looking at angels in Brompton Cemetery at the moment and recently listened to two podcasts where angels feature – Cautionary Tales Podcast on John Dee and the Bureau of Lost Culture Podcast EVP – voices from the other side

Imposing installation with amazing attention to detail from Carol Wyss 7 PILLARS OF WISDOM deconstructs the very concrete order of bones into lines of information — a basis of a new writing to chronicle human interaction. The title of the installation refers to a biblical proverb which outlines a range of moral duties. T. E. Lawrence wrote an autobiography of that same title, likely inspired by Ruskin’s 7 Lamps of Architecture book which Lawrence had previously read. The installation consists of seven large unframed scrolls. Each scroll combines intaglio and relief printmaking techniques on thin Japanese paper.

Qi Baiting House of Day, House of Night at The Chapel, Brompton Cemetery curated by Catherine Li brings together a ‘constellation’ of sculptures inspired by the circulation of objects via numerous flea markets. Drawing from Olga Tokarczuk’s image of living in two homes at once, one fixed in time and space and one infinite, these objects appear on interstellar journeys in which they hold together the material and the immeasurable: the located and the unplaced, the lived and the imagined. The objects remain tied to their historical time, imbued with traces lived experience, while their decontextualization allows other meanings to surface, as though they too were inhabiting more than one home at once. She also alludes to Ursula K. Le Guin’s The Carrier Bag Theory of Fiction: Sometimes the world is nothing more than things placed quietly together.

Royal Astronomical Society talk Solar superstorms: Are we ready for another Carrington Event? by Jim Wild, Professor of Space Physics within the Physics Department at Lancaster University and President-Elect of the Royal Astronomical Society.

In September 1859, the English astronomer Richard Carrington made the first recorded observations of a solar flare. Unknown to Carrington, the flare coincided with a fast-moving coronal mass ejection that struck the Earth’s less than twenty four hours later, triggering the most powerful geomagnetic storm of the modern age. The storm, now known as “the Carrington event”, sparked auroral displays visible as far south as the Caribbean and disrupted operations of the global telegraph network. But this powerful space weather event pre-dated most of the technologies that we depend upon today, such as power grids, satellites, and wireless communications. How vulnerable are we? Are we prepared for the next Carrington event? In this talk, Prof Jim Wild considers the resilience of the modern world to extreme space weather.

The UK National Risk Register sees space weather as significant risk. The term ‘space weather’ describes a series of phenomena originating from the sun, which include solar flares, solar energetic particles and coronal mass ejections. Day-to-day space weather causes little more than the Aurora Borealis in polar regions, but strong space weather events can bring disruption to many vital technologies. Orbiting satellites are particularly vulnerable to space weather effects, and can be damaged or temporarily disabled. Impacts may include regional power disruptions, loss or disruption of Global Navigation Satellite Systems (for example Global Positioning System (GPS)) and some telecommunications (for example satellite communications and high frequency radio), disruption to aviation, an increase in background radiation doses at high altitudes and in space, and possible disruption to ground-based digital components. The catalogue of tracked objects in orbit would be significantly impacted, raising the risk of on-orbit collisions. There may also be second order impacts such as fatalities and casualties (for example, in the event of power disruptions).

Peckham 24 The Eras Edition at Copeland Gallery exploring photography through the lens of time. ‘Time is a paradox; it is intangible, but its traces are omnipresent; it is an illusion, yet it’s governing our lives; it facilitates growth, while inducing decay. The projects exhibited at this year’s Peckham 24 explore these multifaceted aspects of time; they address the issues of our time, interrogate ecological transformation and its long-term implications, capture varying life stages and nostalgic formations, and explore the lingering of the past in the present.’

ROM a large-scale multi-image work by Eugenie Shinkle at first glance looks galactic but is in fact a series of photographs of the material surface of a decaying skatepark. The work reconstructs an experience of space, disorienting, immersive, and at times euphoric. Time is encountered here not as sequence or narrative, but as something embedded in matter and enacted through movement. Built in 1978, the Rom skatepark in Hornchurch, Essex was the first of its kind in the UK. No longer in regular use, the concrete structure is slowly decaying – cracking and delaminating, a consequence of decades of weathering, and of the wear and tear inflicted by the passage of thousands of wheels. Though they’re only a few decades old, the forms have a strangely primordial quality, the concrete stained and colonized by lichen, as if the recent past were already slipping into something more geological.

A Parliament of Empty Gestures by Mark Duffy is made from appropriated photographs produced and distributed by the House of Commons over the past two years. It is a comment on the performative and confrontational nature of political debate, the repetition of prescribed political gestures, and the constantly shifting blame game that is modern politics.

A fabulous iteration of Julie F Hill’s installation Cave and Chasms series where RAW data from space telescopes, such as Hubble and the James Webb is processed, sculpted, crystallized and mineralised drawing on the cosmic and terrestrial to offer an experience of intimate immensity.

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mineral vision

July 5, 2025 //
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The Geological Unconscious had a wonderful six week run at Hypha HQ, Euston. Responding to Jason Groves’ inquiry into the mineral imaginary in his eponymous book, as well as the ‘Writing of Stones’ as proposed by writer and mineral collector Roger Caillois, the exhibition exposes the complex entanglements between the organic and the inorganic; the human and the lithic. 

Very happy to receive lots of positive feedback for my video installation Lithos Panoptes. People were very engaged with how the work reveals itself in stages, from the kaleidoscopic imagery displaying on the two way suspended screen to discovering the board of distorting lenses behind the screen and finally stepping back to see the original film from the human perspective before it is transformed by the lenses.

Referencing a many-eyed giant of Greek mythology, Argos Panoptes (always eyes still awake), the work considers the perpetual vigilance of rock as record keeper and witness. Video of human activity projected through distorting optical lenses transforms the anthropocentric position to imagine the perspective of the rock.

The pattern of lenses is informed by the molecular structure of magnetite, a mineral found in magma and metamorphic rock in Earth’s crust as well as in meteorites and the cells of organisms.

Through actual and metaphoric lenses, the relationship between the organic and non-organic is explored.

Lithos Panoptes 2025, Optical lenses, wood, steel, projector. Video 09:27 min Sculpture: H172 × W170 × D50 cm, Rear projection screen: H180 × W180 cm.

Photography by Benjamin Deakin

Mined magnetite is used in industrial and mechanical processes and its use in combustion engines and vehicle braking systems is releasing nanoscale pollutant particles into the air which are finding their way into human brain cells, vastly overwhelming the innate magnetite present, causing concerns linked to the development of degenerative brain diseases.

As well as referencing an ever watchful, many-eyed giant of Greek mythology, Lithos Panoptes also considers the numerous eyes (ocelli) of the chiton (a species of mollusc) whose rock crystal lenses have evolved over many millions of years to keep watch along rocky coastlines across the globe.

The only creature with eye lenses made of mineral and not protein, the chiton is also unique in having rows of teeth primed with magnetite which allow chomping on the hard rock surfaces it clings to. Some chiton’s teeth also contain the recently discovered mineral santabarbaraite, named after the mining district Santa Barbara in Italy where it was found – it is one of the few minerals named after a woman.

I was surprised to discover that the benedictions of Saint Barbara are still sought today, with shrines installed at tunnel entrances at Crossrail and even at CERN, the epicentre of scientific rigour. Before the boring machines were set in motion, services seeking her blessings were performed by local priests, with some even being winched down excavation shafts to carry out their duties.

Saint Barbara, who is associated with sudden death from fire, lightning and explosions, including military armaments, was adopted as patron saint of miners and tunnellers when the use of explosives in mining escalated during the 1600’s.

As the statues of Saint Barbara installed at these tunnel entrances are now buried, I have substituted images of my mother Barbara, coincidently born within hours of this Saint’s Day, in my video installation Lithos Panoptes.

Tucked into a dark recess of the gallery, Belly of a Rock suggests an imagined place of chemical conversations at the intersection of the organic and inorganic. A hybrid between rock, mollusc and technology this video sculpture responds to an early lifeform’s emerging self-awareness, desire to communicate and urge to create as described by Italo Calvino in his story ‘The Spiral’. We don’t always know what we are creating.

Thrilled to show these works alongside Julie F Hill @juliefhill, Rona Lee @ronaleeartist, Charlie Franklin @charlie__franklin and Deborah Tchoudjinoff @deboraht_ff

Julie F Hill’s sculptural print installation Parent Body uses scanning electron microscope imagery of samples recently returned from asteroid Bennu. The cave-like entrance, provides an embodied experience of the data and invites intimate contemplation of expanded scales. The ambiguous rock-like yet flowing forms echo the words of Jeffrey Jerome Cohen ‘stone is fluid when viewed within its proper duration’. Hill’s miniature work Return, considers the chemical and molecular cross exchanges between earth and space and in a gesture of reverse sample return (scientific missions and human extractive processes both take), a bead of Iridium is returned to the belly of asteroid Itokawa. Her small-scale embroidery work Water and Night, is based on observational studies of moonlight on water, continuing her explorations of water as the eye of landscape as proposed by Gaston Bachelard.

Julie F Hill, Parent Body, physically manipulated soy-ink print on tissue, chalk and clay pigments, chrome metal, water, clamp, funnel. c. W3 × H2.2 × D2.5m. 2025. Return, 3d print of asteroid Itokawa cast in plaster-of-paris, Iridium, 20 ×11× 8mm. 2024. Water and Night, silver metalized embroidery thread, 5.3 ×11 cm. 2025

 Photography Julie F Hill (1+3) Benjamin Deakin (2)

Deborah Tchoudjinoff’s moving image installation work The City of Gold (with sound in collaboration with Joe Farley) considers vast, beyond human, geological timescales when continents have once again become as one. Starting as a short fiction text, Deborah began to form an imagined world of cities in a future Amasia. The fictional cities are named after minerals that are heavily sought – rare earths, copper, uranium, gold, and coal – hinting at a narrative of an Earth depleted of the resources we rely on. The City of Gold is one of the five imagined cities. In a world where these natural resources are no longer, she questions what it would look like and who would be the inhabitants.

Deborah Tchoudjinoff, The City of Gold, video with sound, sculptural installation, 2m × 4m × 2m. 2025.

Photography B J Deakin (1) Julie F Hill (3)

For Litho/Domous Rona Lee has chosen to work with book plates originating in the post-war period of the ‘great acceleration’ – a time in which population numbers, use of natural resources, popular consumerism, technological dependency and environmental degeneration burgeoned. Unified in their varying representations of the geologic but broking no contradiction between their celebration of extractive processes such as tourism and industrialisation and idealisation of the ‘wild’, the images selected by Lee conjure a pre-fall world in which imaginaries of lithic instability are firmly suppressed.

Two handfuls of silt (the residue of scientific samples collected at a depth of 4,000 meters), squeezed into the artist’s hands, fired and then gilded, form Rona Lee’s I want, I want, I want (2012), the title of which references William Blake’s engraving of the same name, wryly conjures the possibility of reaching down into the ocean’s depth, as though into a rock pool, while simultaneously cautioning against the folly and voracity of such ambitions.

Rona Lee, Litho/Domous, light panels, bookplates. 2025. I want, I want, I want, fired and chromed handfuls of sediment, 2012.

Photography B J Deakin

The sculptures presented by Charlie Franklin, Landform and FRAGS, are lumpy, solid looking forms that speak of geological debris or ruins. All three pieces were soaked in the waters of the North Sea, on the easterly edge of the UK. This process allowed the natural elements to determine their individual patination or colouring, along with indentations and scuffs, where materials have been worn away by salt and stone. Cave Drawings (Aladdin’s Cave, Series of Grottos, Marble Curtain, Fairy Grotto, and Solomon’s Temple) are a series of five found postcards depicting the caves at Cheddar Gorge in Somerset, UK which have been hand coloured by the artist. Franklin is interested in how the addition of colour can provoke a personality or aura within each cave interior, allowing for grand experiments to be realised on an intimate scale.

Charlie Franklin, Landform, Cardboard, found fabric, gaffer tape, gouache, scrim, plaster, adhesive, acrylic paint, copper leaf, sea water residue, 87 × 26 × 30cm. 2025. Cave Drawings, felt tip on found postcards, 14 × 9cm. 2025. FRAGS, cardboard, rope, gaffer tape, scrim, oil paint, aluminium leaf, plaster, adhesive, acrylic paint, copper leaf, seawater residue, work in two parts, 29 × 22 × 28cm / 12 × 29 × 23cm. 2025.

Photography B J Deakin, Julie F Hill

A highlight of our events was an Urban Geology Walk led by geologist Ruth Siddall.

“The gravel pit, like other mining holes, is the reverse image of the cityscape it creates — extraction in the aid of erection.” Lucy Lippard

Ruth lead a group walk to explore the geology of the local built environment around Regent’s Place and Fitzrovia. Her knowledge of geology is astounding and her passion for stone infectious. Everyone came away incredulous, having their eyes opened to the deep time history of the rocks that build our city. The deep, black, Archaean dolerite from Mashonaland in Zimbabwe that Ruth points to is 2.2 billion years old. The large block of polished stone shaped like a giant pebble, itself crammed with pebbles of other rocks, is a sculpture by John Aiken, Monolith & Shadow. A patchwork of Jurassic limestone from southern Spain is crowded with the spire-shaped fossil shells of the gastropod Nerinea, stained red and yellow with ochres.

After the walk Ruth joined us for a tour of the gallery – it was fantastic to hear her insight and corroboration on some of the research that fed into the artworks.

I offered Lithomancy drop-in sessions on Friday afternoons as part of a programme of events for The Geological Unconscious. Visitors were invited to throw gemstones with specially assigned characteristics onto a wooden board divided into geologically themed sections. They are then given personal interpretations based on the position of the cast stones by drawing from the esoteric ritual of lithomancy which seeks to divine the future from the reading of stones.

This performative experience proposes insights into the power and allure of stones emanating from the symbolic meanings attributed to them and exposes the entangled relations between the human and the geologic found in our language and desire to align the human condition with the lithic.

We had many interesting visitors to The Geological Unconscious and have made some wonderful new contacts. Not least among these was meeting Melanie Wheeler who has recently completed a residency in the UCL Geology Department where she worked with the technician to re-curate the rock room. Julie and I were lucky to be taken on a tour of the newly curated collection and receive gifts. So excited to have a beautiful sample of magnetite.

In ancient Greek, magnetite was known as “magnes lithos,” meaning “stone from Magnesia” – the region in Thessaly, Greece, where magnetite was first discovered, supposedly by a shepherd who noticed the nails in his boots were sticking to the rock under his feet.

As an additional daily drop in activity during The Geological Unconscious we offered cheong tasting. Chef Moonhyung Lee explored human-mineral entanglements through digestion using stones to create cheong (Korean fermented syrup). The use of weighing stones helps create the environment for preservation, a process which amplifies the bioavailability of minerals in food. Moonhyung Lee is a food designer with a background in graphics. She is currently based in London and works at zero waste restaurant Silo.

It was great to have so many people join us for our Closing Event artist talks and the launch of the exhibition publication with preface by Jason Groves and short essay by Ruth Siddall.

We also had the microscope set up at the closing event to look at some crystal growth in solutions prepared by Julie who works extensively with crystals.

I had tried some ‘Vitamin C’ crystal growing microscopy experiments at home. These images use a polarising filter under the microscope to reveal the vibrant colours. Next step will be to set up a timelapse of the crystals growing.

Summer Solstice 2025. The shortest night of the longest day brought an awful darkness. Collected the last two solargraphs I had installed at the Hogsmill Nature Reserve. These have been collecting light from the sun for a whole year, recording every sunrise and sunset. May the light shine through.

I was delighted that my video Cosmic Chiasmus: crossing the universe was included in CARBON: Under Pressure, at the Mazumdar-Shaw Advanced Research Centre as part of Glasgow Science Festival 2025, in a special exhibition partnership with Science Gallery Bengaluru.

The video offers a glimpse into a subatomic world where cosmic rays travel from distant galaxies to collide and silently interact with atoms and technology on Earth. Alongside the screening of the video I was also invited to give an artist talk and cloud chamber demonstration. It was great to share the wonders of the cloud chamber with visitors who were able to see cosmic ray trails for themselves.

It is an incredible journey that cosmic rays make, blasted across space, spiralling along magnetic field lines to end up entangled with carbon in our bodies.

Not only is all life physically permeated by cosmic rays with the potential for nuclei collisions, but some cascading particles smash into atoms of nitrogen and combine with oxygen to create radioactive carbon-14 which enters our atmosphere. Plants absorb it during photosynthesis, and it is incorporated into their carbon skeleton, which we then eat. While plants and animals are alive, carbon-14 is continually replenished as the organism takes in air or food. But when an organism dies no more carbon-14 is absorbed and that which is present starts to decay at a constant rate. By measuring the radioactivity of dead organic matter, the current carbon-14 content can be determined and the time of death established. Cosmic ray activity gives us carbon dating techniques.

Reading

The Geological Unconscious – Jason Groves. Returning to this book that sparked the ideas we explored in our exhibition. A redirection of geology to consider a type of connection between things that are not in themselves geologic. Stones that stare, stones that speak. An image of the human could develop through geologic processes, becoming part of the mineral consciousness. Quoting Heather Sullivan ‘There is a difficulty for biology and philosophy to maintain a reliable distinction between life and non-life.’

The Writing of Stones – Roger Caillois. A paean to the capacity of minerals to form images within the imagination, which in turn is considered to be nothing more than an extension of matter.

The Performances of Sacred Places: crossing, breathing, resisting – edited by Silvia Battista. I read this for some background research while thinking about how I might make work responding to the abandoned sites of the cosmic ray detector huts at Haverah Park on the North Yorkshire Moors.

‘An horizon stands, in modern hermeneutics, for what is possible to see from the position of a specific observer. That is, not only a location in space but also a position in the cultural and historical apprehension of the world.’ Silvia Battista

The book opens by questioning relationships between the site and its ascribed attributes, which may be mercurial qualities not easy to define or quantify. It reflects on the performativity theories of Karen Barad which argue that matter, in its complexity, is an active participant in our relationship to the world and Jane Bennet’s call to recognise the ‘vitality of matter’ that crosses the human non human divide. In the section on ‘crossing’ the sensitive work of Louise Ann Wilson explores ritual around death, grief and loss through walking in rural locations echoing walking an interior landscape of memory. Walking the labyrinth and the pilgrimage are also considered as journeys that take place in physical and metaphysical space.

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The Geological Unconscious

June 10, 2025 //
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‘What truth could be more unexpected ….than the one in which the mineral envisions while also being envisioned.’ Jason Groves, The Geological Unconscious

‘This is the blueprint of nature itself; both hidden and revealed in a nodule of silica.’
Roger Caillois, The Writing of Stones

The Geological Unconscious opened with an exceptionally busy Private View. It was a fantastic evening with lots of great feedback. With a multi-disciplinary approach, large-scale installations and sculptural works sit alongside embroidery, video, expanded print and photographic work, to create material intimacies that help situate us in scales beyond the human.

My video installation Lithos Panoptes imagines a view of the world from the perspective of the rock via the molecular structure of magnetite. Referencing a many-eyed giant of Greek mythology, Argos Panoptes (always eyes still awake), the work considers the perpetual vigilance of rock as record keeper and witness.

Video of human activity projected through distorting optical lenses transforms the anthropocentric position to imagine the perspective of the rock.

Magnetite is a mineral found in magma and metamorphic rock in Earth’s crust as well as in meteorites. Magnetite nanoparticles are also found naturally in organisms and are known to aid magnetoreception, a
means whereby animals and birds orientate themselves by sensing polar direction.
Through these actual and metaphoric lenses the relationship between the organic and non-organic is explored. Imagery includes allusions to scientific research into the dramatic overwhelming of innate magnetite in human brain cells by nanoscale pollutant particles of magnetite released into the air by traffic; the unique qualities of the chiton, a mollusc with hundreds of tiny eyes made from rock rather than biological material and teeth primed with magnetite and containing recently discovered mineral santabarbaraite; Saint Barbara, patron saint of miners and tunnellers, adopted when the use of explosives in mining escalated in the 1600’s and whose benedictions are still sought today with shrines installed at tunnel entrances at Crossrail and even at CERN, the epicentre of scientific rigour.

Also showing the video sculpture Belly of a Rock – describing an imagined place of chemical conversations at the intersection of the animate and inanimate. Under a crusted shell, surfaces slide and scrape along lines of fissure, distended innards ooze and rocks moan as they are distorted by untold pressure. The turbulent spiralling of the molten core births rock and lifeforms which are acted upon by the drag of an oscillating magnetic field.

Julie F Hill’s large-scale sculptural print installation Parent Body, uses scanning electron microscope imagery of samples recently returned from asteroid Bennu. The data features detail of carbon-rich and organic ‘nano-globules’ which have been theorised as ‘proto-cells’. The sculpture evokes astro-geological-biological material lineages across deep space and cosmological time. In a contrast of scale, Julie is also showing Return, 3d print of asteroid Itokawa cast in plaster-of-paris with a bead of Iridium. Iridium is an rare-earth element more abundant in asteroids than the Earth’s crust. This miniature work considers the cross exchanges between space and earth and in a gesture of reverse sample return (scientific missions and human extractive processes both take), a bead of Iridium is returned to the belly of asteroid Itokawa.

Charlie Franklin’s work considers control, physical experience and memory within the natural landscape. Her research includes how formations such as standing stones, grottos and geological debris remain or change across time. With a particular interest in materials and the properties they hold, she is experimental in her approach to making. Everyday items including cardboard, plastic sheeting and gaffer tape are repurposed to build the foundations of her sculptural work. Franklin also collects found imagery such as postcards and photographs, which she reworks to become something else.


In Litho/Domous, Rona Lee layers photographic plates from mass produced ‘coffee table’ books onto lighting panels, utilising the ‘bleed’ between them that this reveals, to evoke the tectonic instabilities of
contemporary eco relations. Originating in the post war ‘golden age of capitalism’, and designed as statement pieces for home display, the aspirational focus of these image-rich publications on culture, travel, landscape, can be said to prefigure the arc of the smartphone in making the world consumable. At the same time titles such as The Mineral Kingdom and Library of Nations speak to the legacies of the Enlightenment project, offering up an order of things in which Mankind / the Anglophone world is positioned as ascendant and Nature – along with ‘other’ cultures – is ‘put on the table’.

Deborah Tchoudjinoff’s video installation The City of Gold takes a speculative look at Earth in the far future. Her work considers vast, beyond human, geological timescales where continents have once again become one. Past supercontinents create room to speculate upon future ones if we understand Earth as shifting, moving matter. Starting as a short fiction text Tchoudjinoff began to form an imagined world of cities in a future supercontinent of Amasia. The fictional cities named after the minerals that are heavily sought – rare earths, copper, uranium, gold, and coal – hinting at the narrative of an Earth depleted of the resources we rely on. The City of Gold is one of five imagined cities.

An accompanying events programme includes an urban geology walk with Geologist Ruth Siddall, discussing the origins of the local built environment; Cheong tasting by chef Moonhyung Lee who explores human-mineral entanglements through digestion; a crystal growing workshop led by Julie F Hill and I will be offering visitors lithomancy readings every Friday afternoon. The reading of stones proposes insights into the power and allure of stones emanating from the symbolic meanings attributed to them and exposes the entangled relations between the human and the geologic found in our language and desire to align the human condition with the lithic.

Once I start thinking of minerals as something we swallow to make our body function, I also start to think of how our body comes to be composed of these minerals, and that when we gradually decay after death we become mineral components again. So, the gesture of swallowing a tablet or vitamin pill is as magical, or let’s say as supernatural, as we want, because we really are swallowing a stone. – Otobong Nkanga

Link to Marina Walker essay The Writing of Stones published by Cabinet Magazine.

London once had many stones. They made convenient landmarks for gatherings and councils, or else marked boundaries or distances. As a result, they often crop up in place names – Link to The Londonist ‘Lost Stones of London’.

Gallery visits

Mónica Alcázar-Duarte in Cultural Reforesting Exhibition at Orleans House Gallery. In this exhibition, the artists remind us that we not only have a relationship with nature but also that we are nature. We are human animals. Together, with our more-than-human neighbours, we are a growing, singing, howling forest. 

Under the big Suffolk skies of Orford Ness. Walking landscape that bears the scars, physical and emotionally resonant, of years of intense military top secret experiments. Here radar was developed, the aiming of bombs was refined, material vulnerability was tested with destructive, explosive projectiles under simulations of attack and famously it is the site of environmental tests during the late 50’s, early 60’s, in the development for detonation of the atomic bomb. 

The weight of the shingle shored up around the buildings and on the roofs used to dampen the explosions.

There is a lot to respond to. It is now a spectacular nature reserve but apparently not so many birds here this year. We were lucky to see a short eared owl hunting and some gangly spoonbills in flight.

Kaori Homma Silent Echoes at The Watch House, Orford Quay – Inspired by Orford Ness, the UK’s only site of atomic experimentation, this exhibition explores the hidden histories and lingering memories within its landscape. Through the unconventional method of Aburi dashi or fire etching, the artist explores not only the visible remnants of the secret history of Orford Ness, but also the unspoken memories that linger in the air. Unlike ordinary drawings made by the pigments on the surface of paper, Homma’s works are made by fire which etches the images into the body of paper as a burn mark.

Electric Dreams at Tate Modern celebrates the early innovators of optical, kinetic, programmed and digital art, who pioneered a new era of immersive sensory installations and automatically-generated works. This major exhibition brings together ground breaking works by a wide range of international artists who engaged with science, technology and material innovation. 

Desmond Paul Henry used a repurposed bombsight computer, designed to drop bombs more accurately, as developed at Orford Ness, to make a drawing machine which he then hand embellished.

The Pleasure of Misuse curated by Indira Dyussebayeva-Ziyabek and Maria Hinel at Royal Society of Sculptors. ‘The humour that springs from manipulating or referencing the mundane is paradoxically self-reflexive – appropriated objects suddenly appear anthropomorphic, our laughter becomes directed at ourselves and the intermittent absurdity of the human condition. The Pleasure of Misuse explores the mechanics and psychology of humour in the everyday, considering its potential to heal and its power to disarm, creating the sense of complicity and the space for self-reflection amid these anxious times.’

Images – Andy Holden, Ty Locke, Peter Fischli & David Weiss, Cornelia Parker, Richard Wentworth

Samuel Zealey, Angela Eames, Tony Fleming, Charlotte Guerard, John Strutton and Kate Fahey in Heavenly Skeletons at Coleman Project Space – six contemporary artists whose work repositions drawing as an expanded multidisciplinary field.  Heavenly Skeletons is a dynamic investigation of how drawing translates abstract concepts into tangible form… 

Gorgeous show with thoughtfully chosen works that like Samuel Zealey’s vertiginous sculpture balance perfectly.

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encompassing a spectrum

May 12, 2025 //
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It has been a busy few weeks preparing for The Geological Unconscious at Hypha HQ – a group exhibition, co-curated by Julie F Hill and myself, exploring themes of stone consciousness and human-mineral encounters, destabilising assumptions about passive matter and a stable Earth.

Image: From Roger Caillois’ stone collection: Malachite, masque africain, République démocratique du
Congo, 14 × 20.5 × 6 cm. Photographed in the Museum of Natural History, Paris by Julie F Hill.


Responding to Jason Groves’ inquiry into the mineral imaginary in his eponymous book, as well as the ‘Writing of Stones’ as proposed by writer and mineral collector Roger Caillois, the exhibition exposes the complex entanglements between the organic and the inorganic; the human and the lithic. The Geological Unconscious is viewed through disruptive Surrealist strategies, engagements with the aesthetics of geo-materiality and material processes that attend to the growth and transformation of matter. These artistic ‘excavations’ highlight the toll of extractive industries on our planet, whilst inspiring reverence for the geological lineages of deep, cosmic time. Theories of Animism and Panpsychism are also brought to
bear on ways of attributing agency to inorganic realms.

I am thrilled to be exhibiting with Julie F Hill, Charlie Franklin, Rona Lee and Deborah Tchoudjinoff.


An accompanying events programme includes an urban geology walk with Geologist Ruth Siddall, discussing the origins of the local built environment; an installation and tasting by chef Moonhyung Lee who explores human-mineral entanglements through digestion; a crystal growing workshop led by Julie F Hill and I will be offering visitors lithomancy readings every Friday afternoon.

Investigating human/mineral entanglements for new work to be installed at Hypha HQ for The Geological Unconscious. Video of human activity projected through distorting optical lenses transforms the anthropocentric position to imagine the perspective of the rock. The pattern of lenses is informed by the molecular structure of magnetite,

Magnetite is a naturally magnetic mineral found in many organism’s cells including human brain cells. Mined magnetite is used in industrial and mechanical processes and its use in combustion engines and braking systems is releasing nanoscale pollutant particles from traffic into the air which are finding their way into brain cells in high percentages causing concerns with links to degenerative brain diseases. I have been filming the stop start constant stream of traffic at a local roundabout and made a cast of a brain in gelatine with suspended iron filings. The filings oxidised and so the brain took on an iron red tinge and after a few days it cleaved down the centre and gradually as it dried became more and more chiton like.

Chitons are remarkable molluscs that have changed little in hundreds of millions of years. The chiton has hundreds of tiny eyes in its shell, which is made of eight articulating plates. It is the only known creature with lenses made of minerals rather than protein. Another distinctive feature of the chiton is having rows of teeth primed with magnetite, which aid its homing capabilities through magnetoreception and allow chomping on the hard rock surfaces it clings to. Inside the teeth of some species, the mineral santabarbaraite has been found, named after Santa Barbara, a mining district in Italy where it was first discovered and that honours Saint Barbara, who is the patron saint of mining and tunnelling. Santabarbaraite is also one of the few minerals named after a woman.

Fantastic day chiton hunting in the rockpools on the stunning East Sussex coast. Thanks to family who helped find these well camouflaged unique creatures.

Saint Barbara, was adopted by miners and underground workers as patron saint after the pursuit of geology and the widespread use of gunpowder in mining escalated in the 1600’s. She may have a dubious authenticity but her benedictions are still sought today with many statues installed at the entrances to Crossrail and a large ceremony on her saints day, 4th December, performed by local priests before tunnelling went ahead. Even at CERN the epicentre of scientific rigour, a shrine to Saint Barbara was established at every shaft site of the Large Hadron Collider requiring excavation and a blessing performed even if the priest had to be lowered by crane down the shaft to achieve this.

My mother’s name was Barbara and her birthday 6th December is very close to Saint Barbara’s day on the 4th. It would be great to discover she arrived two days late but there is no one alive now to ask.

Small grains of magnetite are common in igneous rocks, formed from magma having cooled and solidified within the Earth’s crust, and also in metamorphic rock, formed when existing rock is transformed physically or chemically at extreme temperatures. 

These processes happen on other planets as well as Earth and so magnetite has also been found in meteorites.

Using a digital microscope to look at the structure of the chondrite meteorite NWA 16975 discovered in the Sahara in 2024 which displays numerous and obvious chondrules and flecks of nickel iron in a fine grained matrix.

Also the fragment I have from the Diogenite meteorite NWA 7831 found in Morocco in 2013.

Looking at wonderfully colourful geological maps of Greece to locate the ancient area of Magnesia – the region where magnetite was first discovered and where its name has derived from – known as “magnes lithos” (stone from Magnesia). Definitely want to plan a research trip to this beautiful region around Thessaloniki.

Exhibitions

Whatshesaid collective of artists present Terra Incognita at Thames-side Studios Gallery – charting and cataloguing the disregarded, the everyday, its surface textures, accumulations, sedimentations.

Joao Villas and Victoria Ahrens showing in Spectral Matters at APT Gallery An understated beautifully curated show whose work references the ephemeral materiality of sound, video, photography and print. The work overlaps and crosses over, both artists responding to the other’s practice. The images create matter, as spectral matter gives agency to the materiality of its own making, while haunting the space with its frequency- it vibrates. The exhibition explores memory, technology and the Anthropocene- and how the disappearing materiality of the world is captured through ephemeral means. 

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partial variations

April 9, 2025 //
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Spending time in the print studio layering up magnetometer lines describing fluctuations in the Earth’s magnetic field. Using sheets of Japanese paper with Suminagashi ink swirls to evoke both ocean and magnetic currents. The lines are printed in metallic inks, relating to the idea of a lode, which in geology is a deposit of metalliferous ore that is embedded in a fracture in a rock formation or a vein of ore that is deposited between layers of rock.

The bands of magnetometer lines are used to signify the last three magnetic pole reversals. The most recent at 42,000 years ago (a short 500 year blip), then 780,000 years ago (continued for 22,000 years) and 1,000,000 years ago (continued for 40,000 years). This history of these reversals is stored in the ocean floor as magma flows up between cracks in the Earth’s crust, spreads and solidifies, capturing the direction of the poles in the orientation of the minerals.

Work in progress on Mineral Visions, a video sculpture with a particular focus on magnetite/magnetism and human relations. Editing video of Jepara seen under the microscope. This is a magnetic pallasite meteorite with an interior structure of densely packed olivine and iron-nickel, discovered in Indonesia in 2008. Pallasite meteorites formed in the asteroid belt between Mars and Jupiter. They’re made up of minerals and remnant materials from the first few million years of the solar system, forming at a time when planets were only just coming together.

A very special research trip with fellow artists exhibiting in the upcoming show at Hypha HQ, The Geological Unconscious, to visit la Galerie de Géologie et de Minéralogie, Muséum National d’Histoire Naturelle, Paris. Hosted by the curator of minerology we were privileged to see a selection of stones in the museum vault. The museum holds Roger Caillois’ stone collection as featured in his book The Writing of Stones. The photographs of this extraordinary collection do not compare to seeing them up close, from every angle. Must larger than anticipated, they are extracted from their snug foam packaging for yet another scrutiny of the human gaze. Caillois wrote at length about each stone, allowing his imagination to conjure metaphor and analogy from the syntax of the ancient crystal and sediment. He was fascinated by his own fascination with the stones which he saw as a desire to connect with the more than human and lose oneself in the enormity of the universe.

Roger-Caillois Malachite Photo Julie F. Hill

We also got to see some meteorites in the collection including a large one containing diamonds that had belonged to Caillois. The Canyon Diablo meteorite originated in the asteroid belt between Mars and Jupiter and crash landed into the Arizona desert approximately 49,000 years ago, with the force of more than 100 atomic bombs. The crater it left is nearly a mile across and 600 feet deep. Fragments were flung over an area of over 11 sqm from the point of impact where the main mass vaporized on contact. In the force of collision small diamonds formed from graphite and are found inside the highly recrystallized meteorite fragments at the rim of the crater. 

I was also interested to a slice from one of the world’s largest specimens of pallasite, the Imilac pallasite discovered in 1822 which exploded over the Atacama Desert in northern Chile, possibly in the fourteenth century.

This spring Severn bore had been forecast to be a 4* event but arrived earlier than expected as more of a ripple. Not enough rain from the Welsh hills and no uplifting wind meant it was a more gentle, leisurely wave. It was still exciting to witness the change in the river from the slow glassy seaward flow to choppy, muddy turbulence carrying logs and assorted debris inland as the tidal wave rose into the channel. Such a beautiful morning to be on the river bank.

Gallery Visits

Glorious sunshine spot lit exuberant work at the Winter Sculpture Park hosted by Gallery No32 at a former Thamesmead golf course along the banks of the River Thames.

Clinging On, an exhibition of wall based sculptures curated by Poppy Whatmore at Glassyard Studios SW9. Instability is growing across the world, as we cling to liberal norms, ideas and values; these works connect a feeling of uncertainty to the physical, defying a gravitational pull or some internal force. These are physical, material or conceptual investigations of precariousness and the accompanying need to hold on. A packed PV means I have few images but I did capture the excellent Ocean Chasms/Crystal Chasms by Julie F. Hill and Caught Moon by Jane Millar.

Moving Landscapes at Jeu de Paume, Paris. This exhibition brings together photography, literature and science to address environmental questions but also those of identity or migratory flows; the landscape thus becomes a living and constantly changing territory. Artists include Mounir Ayache, Julian Charrière, Edgar Cleijne, Ellen Gallagher, Yo-Yo Gonthier, Laila Hida, Eliza Levy, Julien Lombardi, Andrea Olga Mantovani,Mónica De Miranda, Richard Pak, Mathieu Pernot, Prune Phi, Léonard Pongoa and Thomas Struth.

Events

More Life By Lauren Mooney and James Yeatman at Royal Court Theatre. Asking the question ‘what is life?’ but also what is the quality of life you would accept if you discovered you were a computer file. What constitutes real human experience? A brain sliced, scanned and rebuilt in the future to be transplanted into a new synthetic body holds memories of a past life and feels emotion but has limited access to new physical sensory experience – no need to eat or sleep. Does the urge to live, live on? Is it possible the first person to live forever has already been born?

Great to see Alan Watson again, after visiting Haverah Park with him last year, to hear more about Searching for the Origin of the Highest Energy Particles in Nature. This water being sampled in the image below had been in the tank for nearly 30 years yet was still clear and drinkable.

He began his lecture at The Royal Astronomical Society with a short history on the discovery of cosmic rays, taking us right back to 1785 and Charles-Augustin de Coulomb who discovered that bodies with like electrical charges repel and if they have different signs, the force between them makes them attract. In his experiments testing electrical charge with two metal balls suspended on silk threads to easily repel or attract he was surprised to find that even if his experiment was very well insulated the charge still leaked away. It took over a century before it was realised that the air was being ionised which spurred physicists to discover the source of this ionization. In 1912 Victor Hess made his famous balloon flight to over 5km with a rudimentary Geiger counter and no oxygen to discover that ionization increased with altitude and must have an extra-terrestrial source. Over another century on and cosmic rays still present a mystery as to their origin and how they gain their enormous energies.

Alan is interested in the ultra high energy subatomic particles from extragalactic sources with energies about a million times as high as the energy reached by human-made particle accelerators. To put these energy scales in context – a laser pointer has an energy of about 3 electron volts, which is also typical of the photons that come from the sun. The molecules in the air are rushing around at 300m per second with an energy of 1/40 eV. A low energy cosmic ray, the sort that passes through your body a million times in a night, has an energy of 1 giga-electron volts, a proton created at CERN ( the European Organization for Nuclear Research) has around 7 tera-electron volts. If there was a race between a CERN proton and a high energy cosmic ray (over 1018 eV ) starting at the centre of the galaxy, by the time the cosmic ray had reached Earth the CERN proton would not even have reached the moon.

The ultra high energy rays are very rare. To detect these particles physicists rely on observing extensive air shower arrays to amplify the arrival of the particle. By recording the secondary particles that are produced when a cosmic ray hits the upper atmosphere the energy of the particle can be calculated. The showers arrive is a disc like formation with footprints of around 1sqkm so it is necessary to have detectors spread over a large area. The detectors measure the arrival time of the secondary particles and this can help determine the direction of the particle to within 1 degree. The trajectory of the cosmic ray is affected by galactic and intergalactic magnetic fields making it very difficult to find the origin of the particle.

The shadow of the moon can be seen in data recordings of cosmic ray arrivals.

There are a few different methods of detecting cosmic rays. This can be done using scintillator plastic which gives off a flash of light when a particle passes through the medium. Using Cherenkov radiation is another method – this takes advantage of a naturally occurring electromagnetic shock wave giving off energy as light when a particle passes through a medium faster than light can travel through the same medium. The speed of light through water is only 3/4 as fast as when it passes through air, a cosmic ray with much more energy will travel through water at almost the speed of light. This phenomenon can even be seen with the naked eye if the location is dark enough. Astronauts experience flashes of light in the eyes from particles directly hitting the retina but also from particles passing through the vitreous fluid and causing Cherenkov radiation.

Another method is to detect the excitation of nitrogen, the same process that produces the aurora. This light is in the ultra violet spectrum.

By the end of the 1980’s when Haverah Park closed the discovery of the origin of high energy cosmic rays was still a long way off. What had been established was that at the very high energies, only one particle would fall within one km per century. To make further progress a much larger area of detection would be needed. The Pierre Auger Observatory in Argentina at 3000 sq km is about twice the size of Surrey with many hundreds of water tanks. These tanks hold 10 tonnes of water but are the same depth as those at Haverah Park at 1.3m which turned out to be the optimal depth for the water tanks. Charged particles generated during the development of extensive air showers excite atmospheric nitrogen molecules, and these molecules then emit fluorescence light. The Cherenkov detectors at Pierre Auger are supplemented by fluorescence detectors installed at four elevated observation sites with 24 large telescopes specialized for measuring the nitrogen fluorescence in the atmosphere above the array.

The most exciting discovery came in 2017 when a convincing anisotropy in the arrival direction of cosmic rays of a certain energy was determined with some evidence that Centaurus A might be a source of these cosmic rays. There was also evidence of particles clustering close to the super galactic plane, an enormous, flattened structure extending nearly a billion light years across.

The galactic year is the duration of time required for the Sun to orbit once around the centre of the Milky Way Galaxy equivalent to approximately 225 million Earth years.

Art After Dark cosmic takeover around Piccadilly and Leicester Square from Nelly Ben Hayoun-Stépanian. I saw the iridescent asteroid-sized moon rocks and inflatable UV reactive sculptures inspired by Schrödinger’s famous quantum physics paradox in bright sunshine

Book launch at Matt’s Gallery – Aqueous Humours Fluid Ground, edited by Kirsten Cooke published by Matt’s Gallery and the Poorhouse Reading Rooms. A night of experimental nonfiction, fiction, diagram, scent and moving image. An evening that activates a watery mapping, which denatures cartography through practices of immersion, aquatics, time travel and the posthuman lenses of geological, animal and machine vision. With contributions from Linda Stupart, Harun Morrison, Ezra-Lloyd Jackson, Melanie Jackson, Joseph Noonan-Ganley, Charlie Franklin, Michelle Williams Gamaker, Lucy A. Sames, Maggie Roberts, Carl Gent. I was only able to stay for the first half of the evening but this gave a wonderful flavour of the book which I look forward to dipping into.

Listening

Journey to the Centre of the Earth – an Infinite Monkey Cage podcast with guests seismologist Ana Ferreira, geologist Chris Jackson and comedian Phil Wang. The immense pressures and searing temperatures that present engineering difficulties of ‘going into the Earth’s crust’ to explore what lies beneath are discussed along with the relationship between the tectonic plates and a stable atmosphere and new evidence of hidden subterranean shifting globular continents.

Reading

The Periodic Table by Primo Levi. My initial reaction to this book was surprise that it was so engaging, but a few elements in, I was surprised to find the chapters shifted from autobiography to fiction with dubious and misogynistic content. I have persevered as the chapter on Carbon, which was recommended to me, is the last chapter in the book and I thought I should start at the beginning not the end. This final chapter is written with a different emphasis, with the explanation that carbon cannot be treated like other elements as it is not specific to one story but is everything to everyone. ‘Every two hundred years, every atom of carbon that is not congealed in materials by now stable (such as, precisely, limestone, or coal, or diamond, or certain plastics) enters and renters the cycle of life, through the narrow door of photosynthesis.’ The story of one atom of carbon is relayed but it is noted that the author ‘could tell innumerable other stories and they would all be true…. the number of atoms is so great that one could always be found whose story coincides with any capriciously invented story’.

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