Theo Gray on electrochemical machining
In this Boing Boing Video, PopSci columnist and author of the splendid and high-recommend Theo Gray’s Mad Science, explains how electrochemical machining (ECM) works and shows off a rig he put together to do ECM in his shop. The entire how-to can be found at popsci.com. Carve Steel with Saltwater, Electricity and a Tin Earring […]