BBC Science Focus

JV Chamary

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ITHIN A TINY room iin a north London basement, Ilya Levantis opens a tupperware containing what looks like a leftover takeaway. “Fashion designers these days get interested in this stuff,” he says, proudly showing off a rubbery pancake in a brown liquid.

The “stuff” is kombucha, which is used to make fermented tea. It’s produced by a colony of microbes, the most important being Gluconacet­obacter, which secretes strands of cellulose. Unlike material made by plants, a kombucha pancake is almost pure cellulose. When thin, it can be dried for paper, and used in wound dressings and high- end speaker cones. When thick, it’s tough enough for clothing. “Some people call it vegan leather,” says Levantis, the London Hackspace – a building located, aptly enough, in Hackney. Some of the lab’s equipment was built using tools from the nearby electronic­s, woodwork and metalwork workshops, while other kit was donated by universiti­es. Biohackspa­ce

many of us think ‘hacker’ a who breaks things echnically, that’s a ‘cracker’), the word m ore properly applies to people who make or r repurpose things, especially those who tin nker with technology. ‘ Biohackers’ play wi ith biotechnol­ogy and form part of the Do o- It- Yourself biology movement.

DIY bio groups are run by volunteers, and members usually pay a monthly fee to cover the costs of facilities and supplies for a shared lab, which provides affordable access to anyone curious about biology. In 2010, there were only a handful of biohacking labs; according to diybio. org,

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