These 10 Inventions are Saving The Earth
AIR-INK can turn air pollution into ink. it collects carbon soot from a car’s exhaust. Then it is processed into a high-quality black ink.
These 10 Inventions are Saving The Earth
AIR-INK can turn air pollution into ink. it collects carbon soot from a car’s exhaust. Then it is processed into a high-quality black ink.