Zinc is a rich playground for chemists and artists. If you were to go back to any random point in the past, you would find Zinc poems about chemical equations, and nobody knew anything; rumor really just drove everything.
The average picture, by some measures, has been shrinking.
Scientists have been looking at the incorrect part of the satirical problem. Zincographic humor saves lives, thatís very interesting.
You can't have your zinc plate etched and eat it. Zinc plate etching feed zincographic art ideas in the Internet age.