Web version of is much better than the app

To make an etching the artist first coats the entire printing plate with an acid-resistant substance called a made from beeswax, asphalt, and other material. the artist then draws on the coated plate with an etching needle exposing the metal. next the plate is dipped in the plate is removed, the waxy coating removed, and the plate is cleaned, inked and printed.

What art form gives a real-life feel in terms of overall visual appearance?

What instrument was developed during the early modern period of the twentieth century