For a lot of reasons, home etching of PCBs is somewhat of a dying art. The main reason is the rise of quick-turn PCB fabrication services, of course; when you can send your Gerbers off and receive ...

Perfectly clear ice spheres are nifty but can be a bit tricky to make without an apparatus. [Seth Robinson] crafted a copper ice press to make his own. Copper is well-known for its thermal ...

If you choose to polish your copper, Borman warns it will take some elbow grease to get it to a mirror-like finish. Borman says, "I polish hundreds of pieces of copper a year with a professional ...

The semiconductor industry is undergoing a massive technological change, converting to mass-producing chips with copper wires. The weird part: Almost no one has had major problems. Michael Kanellos is ...