The world's first ink made out of air pollution
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.
This is posted on Steemhunt - A place where you can dig products and earn STEEM.
View on Steemhunt.com