Jenna Sutela: Mars in a dish

Contemplating nimiia cétiï for New Scientist, 11 September 2018

The artist Jenna Sutela normally divides her time between London and Helsinki, but she has spent the last four months at London’s Somerset House Studios, thanks to a residency with Google Arts & Culture. Here, she’s been either making a video, learning about computers, teaching artificial intelligences to dream, or mastering Martian. Perhaps all of the above. It depends who you speak to.

The artists Google invites to explore the potentials of its machine learning systems normally wind up in its lab in Paris. This time, however, Google engineer Damien Henry (the co-inventor, incidentally of the Google Cardboard VR headset) has been travelling to London to assist Sutela and her artistic mentor, the Turkish-born data artist Memo Akten, in a project that, the more you learn about it, resembles an alchemical operation more than a work of art.

Here – so far as I understand it – is the recipe.

  1. Take one nineteenth-century French medium, Hélène Smith, who made much of her communications with Martians. (The Surrealists lapped this stuff up: they dubbed her “the muse of automatic writing”.) Make up some phonemes to match her Martian lettering. Speak Martian.
  2. Prepare a dish of Bacillus subtilis, a bacterium that we expect would cope rather well with conditions on Mars. Point a camera at it, and direct the video signal through a machine learning system. (Don’t call this an AI, whatever you do. Atkin has issued a public warning that “every time someone personifies this stuff, every time someone talks about ‘the AI’, a kitten is strangled.”)
  3. Lie to your AI. Tell it that your dish of wiggling bacteria is in fact a musical score. Record the music your AI makes as it tries to read the dish. Hide kittens.
  4. Keep lying. Tell it your dish of wiggling bacteria is a text.
  5. – a language.
  6. – a map.
  7. Write down the text. Speak the language. Read the map. Put the whole enterprise into a single twelve-minute video and hang it up in the foyer of London’s Somerset House Studios.

Titled nimiia cétiï and on view in Somerset House Studios until 15 September, Sutela’s video installation is heavy-going at first, but well worth some close scrutiny. Everything you see and hear came from that petri dish: the landscape, the music, the alien script, even its eerily convincing Martian vocalisation. “There is,” Henry tells me with avuncular pride, “absolutely no scientific goal to this project whatsoever.”

The point being that Sutela is one of the first artists, if not the first, to appropriate the rules of machine learning entirely to her own ends. It’s a milestone of sorts. She’s not illustrating an idea, or demonstrating some technical capability. She’s using machine learning like a brush, to conjure up imaginary worlds.

Which is to take nothing away from nimiia cétiï‘s considerable technical achievement. Sutela is forcing her recurrent neural network to over-interpret its little petri dish-shaped world. We’re a long way from inventing a machine that sees pictures in a fire, but these results are certainly suggestive.

«e tesi leca rizini nirnemea riechee sat ze po mizi» as a Martian might say.

Keaton Henson: The mechanisms of empathy

A conversation with Keaton Henson for New Scientist, 16 July 2018

What inspired your new composition Six Lethargies?

Keaton Henson     Sad songs are something we all understand. I wondered if, instead of bringing people to tears, which can be quite cathartic, I could give them a direct musical experience of my anxiety disorder. When I used to perform live, I would distract myself from my anxiety by watching my audience – this group of 3000 strangers – and how they reacted to certain chord changes and certain inflections in my voice. You can really feel this happening. I became fascinated by the mechanisms of empathy.

And music is one of those mechanisms?

KH     For sure. Every culture we know of dances around a fire. Our heartbeats sync up, we all follow this one rhythm, and we feel the tribe unite. If I explain my break-up in words, say, you will be able to understand to a degree what I’m going through. But if I write a piece of music and play it to you, you might just start crying, and that’s totally incredible because I’m not giving you any framework. I’m not necessarily reminding you of something from your past. It’s purely those patterns that are bringing you to tears.

KH     The Britten Sinfonia are performing a piece in six movements, and five of these movements simply explain how I feel. But there’s also a movement that’s designed to elicit those feelings in the Barbican Hall audience, which is where Brendan comes in.

Brendan Walker    I’m best known for my work helping design roller-coasters. More generally, I’m playing with the synergies between bodily rhythms and patterns in nature that have an emotional impact. Think, for example, about breathing rhythm, heartbeat, and why we find calm in the sound of waves crashing on a beach. For Six Lethargieswe’re gathering electrodermal activity data from a portion of the audience. The electrical conductivity of the skin is the physiological trait most closely associated with the state of anxiety and the one that’s most easily decoded.

KH     Brendan’s kit is set up so that a tiny pore on someone’s fingertip will control the hall’s huge lighting rig, in real time. It’s an amazing thing, and very beautiful. It can be a very uniting and comforting thing to be surrounded by people. At the same time, being surrounded by people you don’t know is a perfect breeding ground for anxiety. The more anxious you become, the more you feel, “Oh God, I’m anxious again, and everyone will notice!” Well, we’re going to be projecting people’s anxiety through the entire lighting rig of the Barbican Hall. This perfectly represents what anxiety is like.

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And the more anxious the audience is, the more anxious you’re going to make them…

BW     Yes. In the movement I’m working on, we’re not just trying to communicate. We’re trying to actually elicit a state of anxiety. We’re talking about having quiet rooms and ways to extract people if they feel panicked at any stage.

KH     I’m hoping that Friday’s performance at the Barbican will be the first of many. We’re interested in trying different things for each show, including varying the type of data we gather, and who we choose to gather data from.

How much research went into this piece?

KH     In particular I went to Canada to meet with a cognitive neuroscientist called Jessica Grant who studies the relationship between music, rhythm and emotion. But I’m a massive science nerd, and I’m wary of crossing too far into the realm of research. I wanted to use scientific thought and theory to help express what I’m feeling. I didn’t want *Six Lethargies* to become manipulative or sterile.

How did you go about composing Six Lethargies?

KH     I kept asking myself, what’s the exact opposite of what I’m trying to achieve? It’s probably baroque music, because that’s all about resolving tension, again and again. It delivers these constant hits of relief. I don’t want to give too much away about the show, but a lot of it is going to be about what people think they’re going to get next — and what I can do to stop them getting it.

You could simply not turn up…

KH     I’ve given myself certain limitations! For instance, I’m composing purely for string orchestra – believe me, you can do some really weird stuff with strings. And Six Lethargies is a tonal composition. Atonal music is everyone’s go-to method for inducing anxiety. But I’m a singer-songwriter. I write pop songs. I work with intervals and scales. I decided I would try to make an anxious piece while hitting all the proper notes.

“Proper” for whom?

KH     Music is built out of the melody of speech, and the way our speech patterns convey emotion. We assume Western music is a sort of universally understood music that can convey emotion intuitively to all cultures, and as it turns out we’re not altogether wrong. Pretty much everyone around the world will hear the Moonlight Sonata and think, Wow, Beethoven must have been really sad when he wrote that.

Do people expect anxiety to sound a certain way?

KH     A lot of people have been talking to me about Bernard Herrmann’s theme music for the film Psycho. And, naturally, I’ve avoided any suggestion of that in this project. I want to avoid anything that people might expect to hear. Anxiety is all about not knowing what is going to happen next.

Is that what it’s like to have your anxiety disorder?

KH     In horror movies, when the terrifying thing bursts out of the door, you’re given this horrible fright which lasts a millisecond and is immediately followed by a sigh of relief. You’re pulling on a string and then releasing it. For me, that tension is never released. It’s like an infinite rollercoaster, just building up, and up, and the higher it gets, the more you realise the drop is going to be very steep indeed…

At the Horniman: A world in a room

Visiting the Horniman Museum’s new World Gallery for New Scientist, 26 June 2018

In the wholly reimagined, renovated, and re-hung World Gallery of London’s Horniman Museum, sharing space with cases of baffling, eye-catching objects, snatches of terse, pertinent wall information and arresting videos, somewhere between Syria and Sweden if memory serves, though it depends which way I’m looking (the gallery’s not nearly as big as its masterful arrangement of contents makes it feel – I can see Oceania from here, not to mention Asia) there stands an unassuming panel of snapshots.

They were taken one autumn evening in 2016, when visitors to the museum were asked to show off whatever meaningful personal knickknacks they happened to be carrying on them.

Coins; heirloom jewellery; a pressed four-leaf clover; a swatch of cloth. Innocuous in themselves, in the context of this new gallery, and placed (this cannot be a coincidence) at the very heart of it, these intimate photographs testify to the endless invention, boundless imagination and sheer bloody oddness of every passing individual.

I’m not sure the World Gallery really manages to explain the deep drivers of human oddness, individually or at scale. But I’ve never seen the right questions posed with such urgency, humanity, or, come to that, with such joy. The board at the entrance says we are entering a space of celebration: it’s not kidding.

There are ceremonial blades next to which the Klingon bat’leth is a butter knife. There is a gown of sea grass and bark from Oceania that Alexander McQueen would have given his eye-teeth to have sketched. There’s video from a rapper from Tibet, and baskets woven from plastic waste, and toys and masks and what looks like a fairy trumpet blown from a single piece of glass (Venetian, obviously).

It is easier, then, to write, not about what the gallery contains (it contains multitudes), but about what it does notcontain.

Horniman’s World Gallery is not particularly interested in time. It has no need to be. Cultures do not follow each other like buses. They nudge up against each other, blend and spark, wear each others’ motley, hide and then re-emerge, often thanks to a healthy dose of reinvention. First Nations cultures along North America’s Pacific seaboard were virtually moribund in 1900; they have surged since 1950. Traditional Bhutanese textiles are now all the rage on the international fashion circuit – and new-fangled local beauty pageants drive innovation. Sami reindeer herders assemble cheap Chinese barbecue kits to cook food stored in containers that have been passed down through families for literal centuries (no doubt patched till they resemble Trigger’s broom).

Nor is the World Gallery particularly interested in borders. After all, one person’s wall is another’s road: Boyd Tonkin, at the British Library’s show about the voyages of James Cook, recently reminded New Scientist readers of how a Tahitian islander Tupaia caused astonishment when, 4000 kilometres from home in New Zealand, he struck up a conversation with the Maori in a shared language.

One of the gallery’s curators described the Mediterranean to me, in much the same spirit, as a liquid continent. That’s not a newly minted metaphor – it goes back to the French poet Jean Cocteau – but it’s a pressingly topical one. Watch the video running next to a portion of the prow of a ship that once bore Syrian refugees. The glimpse it affords of a cosmopolitan seafaring community, scratching a good life out of very little, is a better advertisement for civic life than any of the politicking you’ll find inland.

Which brings us to the gallery’s final, important, deliberate, creative omission. It is not at all interested in nations. Indeed, from its global and generous perspective, the nation state can only seem a latecomer to humanity’s party, and a badly behaved one, too. As I wander through the gallery, from continent to continent, tradition to tradition and across entire seas (projected on the floor: and sure to be a hit with young children) I can’t but sympathise with the nomadic Tuareg people, whose vast desert patrimony crosses Algeria, Mali, Niger, Libya and Burkina Faso; no wonder they get hardly any political recognition.

Modern nations are not simply violent at their borders, of course. Culturally speaking they wreak internal havoc, too, homogenising communities and regimenting them from the centre, not so much through force of arms (though that’s certainly an option) as through the provision of education. As the British-Czech philosopher Ernest Gellner put it in 1983: “The monopoly of legitimate education is now more important, more central that is the monopoly of legitimate violence.”

As we catch glimpses of traditions and practices that in several cases have been reduced to tourist spectacles, we should at least take comfort in the thought that, unlike endangered species, endangered practices can always, to some degree, be brought back to life.

I should at least try to explain why this gallery works as well as it does – and here I must confess myself stuck. I can’t help thinking that none of this should work, that it should all add up to an experience about as dull as a recitation of other people’s dreams. In the Trobriand Islands, a man’s worth is measured by the size of the pyramid of yams he builds in front of his sister’s house and leaves to rot. Beads mean fertility in South Africa. The Swedes are obsessed with shelving. Anthropology’s great strength – that it considers human practices objectively – is also its fatal weakness; it leaves nothing standing.

How can this gallery, this patent labour of love, care and scholarship, wear its learning so lightly? How can 3000 of the oddest objects ever fashioned by an unpredictable and grumpy ape leave visitors, not crushed by the species’ quintessential absurdity, but buoyed up, exhilarated, even to the point of tears?

In 1930, in his science fiction novel Last and First Men (1930), Olaf Stapledon imagined what the human experience would look like from a vantage point far in the future. It is a picture of futility and tragic waste. And for all that – because of all that – it is beautiful.

“It is very good to have been man,” Stapledon writes. “And so we may go forward together with laughter in our hearts, and peace, thankful for the past, and for our own courage.”

Visiting this gallery will make you feel the same.

How Charles Dickens became a man of science

Visiting Charles Dickens: Man of Science, at the Charles Dickens Museum, London for New Scientist, 16 June 2018

EVEN as he became the most celebrated and prolific author, the most energetic editor and the most influential political and social campaigner of his day, Charles Dickens was well aware of the science around him. Indeed, he took inspiration from it, and was even engaged in promoting and explaining it.

The trouble is, in an effort to build a show around this notion, the Charles Dickens Museum has fixated almost entirely on its hero’s friendships. Because Dickens knew everybody, the show struggles to find its focus. Even with a following wind, it is hard to feel much excitement on learning that Ada Lovelace had Dickens read her a passage from Dombey and Son on her deathbed.

But several other personal connections – reflected in an impressive display of books, autographs and prints – carry more weight. Dickens was also pals with Jane Marcet, author of the monstrously successful (and in the US, even more monstrously plagiarised) Conversations on Chemistry. A book mostly about Humphry Davy’s work, Conversations may be considered the first popular science book – never mind the first written by a woman. It inspired Michael Faraday to take up work that eventually led to his Christmas lectures, entitled The Chemical History of a Candle, which Dickens promptly serialised as short stories in his magazine Household Words.

Other investigations of energy were less orthodox, like Dickens’s discussion of the medical cures that might be obtained from “mesmeric fluids”. And it drove Dickens’s friend George Henry Lewes spare that the man responsible for serious scientific essays in Household Words was the same man who let characters in his novels burst spontaneously into flame, as with the illiterate rag-and-bone man Krook (who holds the key to the legal battle at the heart of Bleak House).

Writing about that notorious spontaneous human combustion scene, Lewes accused Dickens of cheap sensationalism and “of giving currency to a vulgar error”, perpetuating it “in spite of the labours of a thousand philosophers”. But he was on a losing wicket: contemporaries Mark Twain, Herman Melville and Washington Irving all had characters incandesce.

It is not accuracy we expect of Dickens, though, it is vision. It may be interesting that Our Mutual Friend uses the word “energy” in its new scientific sense. But what really thrills the heart is to follow Krook’s visitors up the stairs as they are about to find his body.

“‘See here, on my arm! See again, on the table here! Confound the stuff, it won’t blow off – smears like black fat!’… A thick, yellow liquor defiles them… A stagnant, sickening oil with some natural repulsion in it that makes them both shudder…”

Come and be horrified.

Ceiling Cat is watching you make art

Visiting 😹 LMAO at London’s Open Data Institute for New Scientist, 2 February 2018

On Friday 12 January 2018, curators Julie Freeman and Hannah Redler Hawes left work at London’s Open Data Institute confident that, come Monday morning, there would be at least a few packets of crisps in the office.

Artist Ellie Harrison‘s Vending Machine (2009; pictured below) sits in the ODI’s kitchen, one of the more venerable exhibits to have been acquired over the institute’s five-year programme celebrating data as culture. It has been hacked to dispense a packet of salty snacks whenever the BBC’s RSS feed carries a news item containing financial misfortune.

No one could have guessed that, come 7 am on Monday morning, Carillion, the UK government’s giant services contractor, would have gone into liquidation. There were so many packets in the hopper, no one could open the door, say staff.

Such apparently silly anecdotes are the stuff of this year’s show, the fifth in the ODI’s annual exhibition series “Data as Culture”. This year, humour and absurdity are being harnessed to ask big questions about internet culture, privacy and artificial intelligence.

Looking at the world through algorithmic lenses may bring occasional insight, but what really matters here are the pratfalls as, time and again, our machines misconstrue a world they cannot possibly comprehend.

In 2017, artist Pip Thornton fed famous poems to Google’s online advertising service, Google AdWords, and printed the monetised results on till receipts. The framed results value the word “cloud” (as in I Wandered Lonely as a Cloud by William Wordsworth) highly, at £4.73, presumably because Google’s algorithm was dreaming of internet servers. It had no time at all for Wilfred Owen: “Froth-corrupted” (Dulce et Decorum Est) earned exactly £0.00.

You can, of course, reverse this game and ask what happens to people when they over-interpret machine-generated data, seeing patterns that aren’t there.

This is what Lee Montgomery has done with Stupidity Tax (2017). In an effort to understand his father’s mild but unaccountably secretive gambling habit, Montgomery has used a variety of data analysis techniques to attempt to predict the UK National Lottery. The sting in this particular tale is the installation’s associated website, which implies (mischievously, I hope) that the whole tongue-in-cheek effort has driven the artist ever so slightly mad.

Watching over the whole exhibition – literally because it’s peeking through a hole in a ceiling tile – is Franco and Eva Mattes’s Ceiling Cat, a taxidermied realisation of the internet meme, and a comment on the nature of surveillance beliefs (pictured top). “It’s cute and scary at the same time,” the artists say, “like the internet.”

Co-curator Freeman is a data artist herself. If you visited last year’s New Scientist Live you may well have seen her naked mole-rat surveillance project. The 7.5 million data points acquired by the project are now keeping network analysts busy at Queen Mary University of London. “We want to know if mole-rats make good encryption objects,” says Freeman. Their nest behaviours might generate true random numbers, handy for data security. “But the mole-rat queens are far too predictable… Crisp?”

Through a mouthful of salt and vinegar, I ask Freeman where her playfulness comes from. And as I suspected, there’s intellectual steel beneath: “Data is being constantly visualised so we can comprehend it,” she says, “and those visualisations are often done in a very short space of time, for a particular purpose, in a particular context, for a particular audience. Then they acquire this afterlife. All of a sudden, they’re the lenses we’re looking through. If you start thinking about data as something rigid and objective and bearing the weight of truth, then you’ve stopped discerning what is right and what is wrong.”

Freeman wants us to analyse data, not abandon it, and her exhibition is an act of tough love. “When we fetishise data, we end up with what’s happening in social media,” she says. “So many people drowning in metadata, pointing to pointers, and never acquiring any knowledge that’s deep and valuable. There should be some words to express that glut, that need to roll back a little bit. Here, have another crisp.”

The boring beasts that changed the world

Visiting the Museum of Ordinary Animals exhibition for New Scientist, 4 November 2017

SOME animals are so familiar, we barely see them. If we think of them at all, we categorise them according to their role in our lives: as pests or food; as unthinking labourers or toy versions of ourselves. If we looked at them as animals – non-human companions riding with us on our single Earth – what would we make of them? Have we raised loyal subjects, or hapless victims, or monsters?

This is the problem that The Museum of Ordinary Animals sets out to address. This show has been artfully, but still none-too-easily, stuffed into the already famously crammed setting of the Grant Museum, a 19th-century teaching collection packed full of skeletons, mounted animals and specimens preserved in fluid.

The exhibition, a sign announces, “begins in front of you, behind the dugong”. The corridor between cases is narrow. Easing past visitors distracted by a glass case of dolphin heads, I shave past the enormous, grinning skull of a saltwater crocodile. Here, as in our imagination, the ordinary animals tend to get squeezed out by the extraordinary ones.

The exhibition is small, so go around twice. Spend the first time reading. There is an art to visitor information and the show’s curators have nailed it here, citing just the right oddities and asking just the right questions to tip the viewer into a state of uncertain wonder.

This show, about animals that are useful to humanity, also turns out to be a show about how dangerously peculiar humanity is. The world has been shaped by our numbers, our intelligence and our activity. For example, all pet golden hamsters descend from a single female fetched from Syria in 1930. It was in a group meant for the lab until it was won in a bet.

And the settling of Europeans in Australia from 1788 triggered the fastest catastrophic species loss we know of. Our cats did most of the work, invading more than 99.8 per cent of the Australian land mass. Today, feral cats kill tens of millions of native animals in Australia every night.

The world has been shaped by our beliefs, too. In Europe, it was once common to bury people with their companion animals. Christianity saw off that practice in the late 7th century, because the faith denies that animals have souls. Then, around a thousand years ago, Benedictine dietary rules were formulated. At that time, chickens were feral, quarrelsome and didn’t lay anything like as many eggs as they do now. Today, the chicken is a more or less mindless and sedentary protein factory.

Having learned that humanity isn’t so much a species, more a narrow and superbly weaponised ecosystem, the visitor is ready for a second go. Now the exhibits resonate wonderfully: the bones, the pictures, the jars. Is the subject of Cornelis de Visscher’s mid-17th-century engraving The Rat-Catcher, the catcher himself or the rat in his cage? There are mice used in diabetes research, ironed flat at death and mounted on cards like obscene tombstones. Nearby, a mummified cat head possesses extraordinary innate dignity: no wonder the animal was a focus of worship.

Leaving Ordinary Animals and the museum, I found myself standing under an orange sky, courtesy of Hurricane Ophelia, which had recently brought ash and dust from runaway forest fires to smother Europe’s Atlantic seaboard. Under that dead light, humans gawped at a red sun while, across the road from me, a pet dog, brought to heel, yawned, as though to say: who cares about the sky? Master will feed us. Mistress knows best.

But the exhibition had thrown me out of my complacency, and rarely have I felt less easy with the human project.

Colour and Vision at London’s Natural History Museum

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for New Scientist, 3 August, 2016

TAKE time over Liz West’s captivating neon artwork in the foyer of London’s Natural History Museum, because darkness awaits at Colour and Vision, its latest exhibition. It’s not that the sun didn’t shine 550 million years ago, where this story begins – just back then there were no eyes to see.

The basic chemical and structural components of vision existed long before it evolved. Something happened to make eyes viable, although the exact nature of that innovation remains mysterious. But once visual information meant something, there was no stopping it – or life. For with vision comes locomotion, predation, complex behaviour, and, ultimately, consciousness.

Colour and Vision does a great job of explaining colour’s role in this story, although sometimes the curators bite off more than they can chew, as when they try to explain the difference between half a dozen kinds of compound vision.

The best insights come from the objects themselves. A sample card of dyed wools reminds us just how hard it has been for humans to extract colours from their environment. For most of our history we have used a dead-leaf palette. In contrast, Gouldian finches boast heads of different colours (black, red, yellow), cowries wrap their bodies around colourful shells, and molluscs lay down iridescent nacre – one of nature’s most beautiful materials – simply to strengthen their shells.

We, however, need an entire industrial base before we can say with any honesty, as the exhibition does, that “we are the only species with the power to choose what colour means for us”. Even then we are constantly reminded that our colour vision is a relatively recent acquisition, and that it’s a mess genetically. This means that there’s a world of variety, beauty and meaning out there humans simply can’t see.

Visit this exhibition, and brush up against it. It’s an uncanny trip.

 

Art reveals the fragile and devastating world of microbes

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Visiting Impermanence: The art of microbiology at Gallery Elena Shchukina for New Scientist, 5 November 2015.

HALFWAY along a pleasant foot passage in London’s exclusive Mayfair district, death is waiting, clad in motley both rich and strange.

On the ground floor of Gallery Elena Shchukina, it’s gone gigantically viral. All around are deadly viruses blown into million-times-magnified life by a host of glassblowers under the close direction of UK artist Luke Jerram.

The academic and scientific community have been commissioning Jerram’s flus and fevers for nearly a decade, but it’s good to see them out of their scientific setting. Free from the sneaking suspicion that they illustrate some important medical point, these head-size viruses grow even more magnificently strange.

Jerram is the gallery’s entry drug: downstairs there’s something altogether darker – something that has festered for anywhere between a day and a year under the watchful eye of South Korean artist Seung-Hwan Oh.

New Scientist Default Image

Oh, who studied film and photography in New York before returning to his native Seoul, has found a way to corrupt photographic portraits by soaking them in baths infested with microbes of one sort or another. Penicillin is his favourite. Each species of bacteria metabolises the chemicals of a photograph in a different way: the men and women in Oh’s solo portraits are variously cracked, bled, stained and ravaged – sometimes in beautiful ways.

More often they are ruined, their proportions and perspectives monstrously skewed. Beyond setting the initial conditions, Oh has no control over how his images will distort. Here, a man grows horns. There, some inner demon breaks through the tatters of a human face.

Quite what Oh means by all this isn’t made clear. One senses he is still enraptured by the experiment for its own sake, and looked at this way, as a very advanced work-in-progress, the show – his first in London – does very nicely.

Barbara Hepworth at Tate Britain

Let us begin, at least, with a glimmer of humour.

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There you are. That’s your lot by way of larfs, should you visit this truly gimlet-faced retrospective of the art of British modernist sculptor Barbara Hepworth.

Tate Britain’s show, which runs from 24 June to 25 October, is billed as the first major Barbara Hepworth exhibition in London for almost 50 years, and features some key sculptures in wood, stone and bronze. These, then, are the treasures which languish under insipid ersatz daylight, against walls painted in the sort of bluish neutrals you find in the toilets at Heathrow.

The first room is the worst, incarcerating Hepworth’s early torsoes under cheap plexiglass vitrines like so much pick-n-mix. But it is not the conspicuous lack of budget that disconcerts, so much as the way the show struggles to establish the young artist’s identity. Every artist operates in some sort of social fluid. Hepworth appears to have damn-near drowned in hers.

Hepworth and her lover Ben Nicholson together evolved an atelier identity, exhibiting together in 1932 at the gallery Arthur Tooth & Sons. Photographs of that show suggest an energy that’s wholly missing here. Nicholson and Hepworth got under each others’ artistic skins, but for reasons I don’t know enough to unpick, the image we’re left with in this show is not so much of Hepworth growing as an artist, so much as being easily led (by Nicholson, by Moore, by Laslo, by political affiliations of one sort or another).

It seems unfair to blame the subject of this show, but I did begin to wonder whether Hepworth herself ought to take some responsibility for what’s gone wrong here. The wall texts several times refer to her determination to control her own image, and I wonder if there isn’t some curatorial frustration peeking through here. What do you do, after all, with an artist who parlayed her way into a most insipid type of celebrity, who fashioned art innocuous enough to grace the UN, and counted its director general Dag Hamarskjold as a friend: arguably the least interesting famous man in history?

Something has failed here; it could well be me. I took a couple of snaps. The photographs aren’t up to much, but just look at the work. That has to be worth a visit, doesn’t it? Doesn’t it? How is it my iPhone had a better time than I did?

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“I have nothing to say as an artist”

An interview with the sculptor Anish Kapoor for New Scientist.

I have said this over and over again: you make what you make, and you put it in front of yourself first of all. Inevitably, a certain concept arises, and exploring that concept is the real work. If I started off with some big message for the world, it would keep getting in the way.

There is an emotional world and an objective world, and the two mesh. Thirty years ago I began working with the idea that for every material thing, there’s a non-material thing alongside it – sometimes poetic, sometimes phenomenological. For example, I once made a stone chamber and painted it a very dark blue. Thanks to the psychological implications of the colour, if you look inside the chamber it’s as though this stone thing had a non-thing inside it. The cavity becomes an object. You get an effect like that when you look at a polished concave surface. The eye wants to fill the hollow with a sort of convex ghost.

I’ve been interested in what I call “void works” for many years: applying deep, dark colour to mostly concave forms so the space and object are confused. This lead me to Vantablack, a superblack made from carbon nanotubes. It’s extraordinary – the light gets in and is not able to get out. (Indeed, Vantablack absorbs all but 0.035 per cent of visual light.) The discovery of a new material like this opens up the most incredible possibilities. I love the idea that one could walk into a room that isn’t dark and at the same time isn’t there. You could have lights on, but the room wouldn’t be there. There’s something magical about that. It’s that wonderful, liminal moment between wonder and fear – that’s what I aim for.

I don’t mind too much when people call me an illusionist. I’m pretty sure that everything we consider to be real is illusory, or has an illusory element. From a psychological point of view, there’s more deep truth in the unreal than there is in the real. After all, objectively speaking, colour doesn’t even exist. So that’s the game. Keep your balance. Whenever subjectivity and objectivity are put into opposition, never come down on either side.

I’ve always been deeply fascinated by raw pigment, which is at once a colour – a pure, psychological idea – and a real substance. It has this otherness you can’t quite point at. My latest works at Lisson Gallery are made with silicone, all very red and very visceral. I work with red a lot, because of its darkness. The psychology of the red generates a much darker dark than black or blue.

And I’ve always been deeply interested in geometry, and I’ve put some of my pieces into motion to get at forms I can’t produce by any other method. Descension is a whirlpool that produces a natural parabola. It took me 20 years to get it to work, because it needs to be built at a certain scale, and be spinning at a certain rate. What surprised me, once I’d achieved those wonderful parabolic curves, was what happened at the bottom of the pool. A void opened up, a form I never expected to find there, for all the world as though this thing was boring its way the centre of the Earth!

Art and science do sit naturally quite close to each other. But making a statement of that sort in a piece of art is just going to get in the way. Science is apparently rational and art, perhaps, more confused. But they both start out as experimental processes, and both are contained by rules. A poetic purpose is every bit as real as an apparently scientific one. There’s objectivity in art, just as much as there’s subjectivity in science.