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CERN-inspired artwork HALO will make the invisible, visible

Conveying the quantum world is the ultimate challenge for artist duo Semiconductor, who turn the most abstruse scientific observations into captivating sensory experiences

Courtesy-of-the-artist-and-Audemars-Piguet--(40)

RUTH 闯础搁惭础狈:听Since we first started making work we鈥檝e been interested in nature and matter. We went looking for matter that exists beyond the bounds of our perception, and we turned to science as a means of bringing that matter into view. We鈥檙e not led by archives or data sets. We鈥檙e interested in the way people talk about their field, and how they use language to balance their observations and their experiments. For some fields 鈥 radio astronomy springs to mind 鈥 the observable bit of the work can only be considered information: as a bit of the natural world, it鈥檚 just chaos: pure white noise.

Whenever we work with scientific data, we ask how we can best perceive it. About fifteen years ago , using data being studied at the space sciences laboratory at the University of California at Berkeley. That work was relatively unproblematic: the sun is unquestionably there for you to observe. With our installation HALO, though, we鈥檙e creating an immersive environment that enriches the data captured by Atlas, one of two general-purpose detectors at the Large Hadron Collider at CERN. And Atlas detects collisions that actually don鈥檛 happen unless you force them!

In the early universe, there would have been the energies and speeds for proton-proton collisions like this to have shaped the early universe. That鈥檚 no longer true. We found ourselves making a piece of work that isn鈥檛 really about nature as it exists at the moment. It was departure for us and, a troubling one at first.

JOE GERHARDT:听Proton-proton collisions take place inside the Atlas millions of times a second, Of those events, just a few thousand are considered worth mining for data. The proton-proton collisions are recorded by detectors wrapped around the barrel of the instrument. Beyond them are the transition radiation trackers 鈥 long wires that register whenever a particle collides with them. Where along the wire the collision happens is not recorded, but you can say the collision happened somewhere along its length. Rows and rows of long metal wires: we imagined something a bit like a giant harp being plucked.

闯础搁惭础狈:听Initially we interpreted the wires as a purely sculptural device. We wanted to convey the craft and know-how that went into the Atlas machinery, without simply illustrating what was already there. After endless iterations it became obvious that these wires were there to be played.

For the people at CERN, the events recorded by the Atlas are sources of information. We on the other hand treat those collisions as natural phenomena in their own right. In our installation you鈥檙e conscious of the surrounding technology, but at the same time you鈥檙e made aware that there鈥檚 a complex natural world beyond the machinery. The soundscapes generated by HALO represent that wider world.

骋贰搁贬础搁顿罢:听The scientists at CERN call the raw numbers they receive from the Atlas 鈥渕inimum bias data鈥. I love that. We tend to assume science is all about looking at the world with the least bias possible, but of course when you鈥檙e experimenting, you鈥檙e doing exactly the opposite. You want to bring the maximum amount of bias possible to an experiment so you can focus on what interests you. That鈥檚 what an hypothesis is.

闯础搁惭础狈:听We鈥檝e plucked 60 collision events from the millions that occur each second in the LHC, and use them to trigger HALO鈥檚 light and sound effects. To do that, of course, we鈥檝e had to slow them down immeasurably so as to make them comprehensible. Once you reanimate the data in this way, you can start tracing the beautiful geometries of each collision. And as one of our chief collaborators pointed out early on, this is the very material CERN鈥檚 not interested in.

A record of one among sixty "events" powering HALO's dance of sound and light
A record of one among sixty 鈥渆vents鈥 powering HALO鈥檚 dance of sound and light

GERHARDT: The interesting stuff for us is usually the stuff the scientists discard. Mark Sutton, a research fellow at Sussex University, explained to us that any particle that makes a pretty, spiralling track back towards the centre of the detector lacks the energy to escape the machine鈥檚 magnetic field. We know all about those particles. It鈥檚 the absences, the unexplained gaps in the chart that matter to the scientists.

When the hammers that 鈥減lay鈥 HALO hit certain strings, resonators pass and amplify their vibrations to neighbouring strings, until the wires become visible waveforms. Meanwhile, we鈥檝e got spots of light being projection-mapped through the mesh surrounding the installation. We wanted a way of feeling and seeing particles and waves simultaneously, and this 鈥渜uantum鈥 way of thinking is oddly easy to do once you start thinking about harmonics. Particles and waves begin to make sense as one thing.

Entering Halo

JARMAN: When HALO opens at the Art Basel this week, there will be information boards explaining all the science and technology we鈥檝e drawn from. Ideally you鈥檒l through the installation twice 鈥 once naively, and the second time armed with some background information. Of course, the test of the piece is that first, direct engagement with the piece. That鈥檚 what matters most to us.

GERHARDT: HALO is a circular installation in a space big enough that you can approach it from a distance and observe the hammers striking its strings and the lights passing through its mesh. Once you鈥檙e inside the piece, then it will appear that you are the source of all the events that are animating it. It鈥檒l be a much more intense, immersive experience. It occurred to us recently that it鈥檒l be like inhabiting the workings of a watch: appropriate for a piece paid for by a Swiss watchmaker.

JARMAN: The fit wasn鈥檛 conscious, but it鈥檚 undeniably there. We were invited to look around the factory of Audemars Piguet, our sponsors and long-time associate partners of Art Basel, where HALO has its first outing this week. We saw watches being assembled by hand using screws that you can鈥檛 even see properly with the naked eye. My favourite was a watch that actually chimed; someone had made it a lovely little acoustic box to amplify the sound.

GERHARDT: Our visit reminded us that there鈥檚 bespoke side to CERN that we wanted to capture. Big as it is, nothing about the LHC is run off on an assembly line. It鈥檚 crafted and shaped. It鈥檚 an artisanal object.

Field notes

JARMAN: Entering any big science institution, you find yourself playing anthropologist. So much of our work involves simply observing scientists at work in their domain. A film we made as part of our residency, , reflects this.

GERHARDT: Unpicking the hierarchies in these places is endlessly fascinating. At CERN there鈥檚 a big philosophical divide between the experimenters and the theorists. The theorists always think they are the top dogs because they get to decide which experiments are even worth doing!

JARMAN: At CERN everything is so much more lo-fi then you expect it to be, and perfectly accessible on a human level. You get a powerful sense of everything having been developed in this wonderful bubble in which nobody has had to make excuses for doing their work. There鈥檚 a wonderful honesty about the place.

GERHARDT: As an artist in an environment like that, staying naive is really important. The moment you think that 鈥測ou know your field鈥, you stop really listening.

And besides, every institution is different. in 2010 was very much about archiving geological history, about finding a place for everything. And 听which followed was about removing human traces from the world and turning back time.

鈥淭rust us: we鈥檙e artists鈥

JARMAN: There are always going to be scientists who are outwardly supportive of an artistic programme, and there are always going to be people who hide away from it and think that they don鈥檛 want to have anything to do with it. We鈥檙e quite persistent. We do as many very short interviews as possible because we know we don鈥檛 have a lot of control over the direction our visits and residencies take us. For this residency we worked most closely with John Ellis and Luis 脕lvarez-Gaum茅, both high-profile theoretical physicists. We were supposed to meet with Luis once a week and he performed wonderfully for us until one day he announced: 鈥淚鈥檝e given you all my tricks! Now you have everything I know.鈥

GERHARDT: In any scientific institution, people just want to make sure that you鈥檙e not getting their budget. As long as their science budgets aren鈥檛 going to artists, as long as that money鈥檚 coming from somewhere else, people are happy. Of course, if the arts budget was just 1 per cent of the science budget, the arts would probably be a hundred times better off.

JARMAN: Every now and then we鈥檒l come across a scientist who will say, 鈥淥h, so will I be able to use your work to illustrate my work?鈥 We鈥檙e up front about this: what we do is almost certainly not going to represent anyone else鈥檚 efforts in the way they want.

Saying that, the feedback that we do get from scientists has always been amazing. At the end of our Berkeley residency, working with images of the sun, we were able to show our hosts work assembled from thousands of their images. These people would study just a single image for a very long time, and there was this real appetite to have their work presented in a new way.

We felt we were showing them pictures of what they already knew, we felt slightly ridiculous, but the whole event became a kind of celebration of their science 鈥 that somebody from outside the department would even be interested in what they were doing. I remember one chap talking to us afterwards. Half-way through he stopped himself and said: 鈥淚s it OK me talking to you like this? My wife and family don鈥檛 let me talk to them about space science.鈥

It was then we realised we were fulfilling this other role: reminding these people why they do what they do.


HALO by , the 4th Audemars Piguet Art Commission in collaboration with guest curator M贸nica Bello, is presented at from 14 to 17 June 2018 at 惭别蝉蝉别辫濒盲迟锄, Basel, Switzerland

Topics: Art / Quantum science