The association branch slag from car exhausts into art

Soot from car exhausts is being prisoner by a retrofit device and recycled into ink by a association in Bangalore.

The ink is not now of sufficient peculiarity to be used in printers though it is used by artists for portrayal and shade copy for use on bags and clothes.

BBC Click’s Spencer Kelly visits Graviky Labs, who invented a device and a ink, to find out more.

See some-more during Click’s website and @BBCClick.

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