AIR-INK
The world's first ink made out of air pollution
Screenshots
Hunter's comment
Air-Ink can turn air pollution into ink. Made by Graviky Labs, it collects carbon soot from a car's exhaust and then it is processed into a high-quality black ink.
Every single pencil contains 40 to 50 min of car air pollution.
Link
http://www.graviky.com/air-inktrade.html?ref=steemhunt
Contributors
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