Quantcast
Channel: Popular Science - july 2009
Viewing all articles
Browse latest Browse all 40

Carve Steel with Saltwater, Electricity and a Tin Earring

0
0
I remember seeing a demonstration of a seemingly magic process at an engineering open house decades ago, in which a soft metal bit carved detailed shapes into far harder metals. It's called electrochemical machining (ECM), and it's so simple in principle that you can do it at home with a drill press, a battery charger and a pump for a garden fountain.

Viewing all articles
Browse latest Browse all 40

Latest Images

Trending Articles





Latest Images