Indian startup turns air pollutants into ink for art
Bangalore’s Graviky Labs develops tool to capture soot for recycling. BANGALORE — At a cafe in the Bangalore’s central district, artist Pavithra Chowdappa doodles on canvas with a marker labeled AIR-INK. “This is a special marker,” she says, making black strokes across the white surface. “It’s the only environmentally friendly ink around. And it’s so…
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