A 123-year-old time capsule was opened this week after being discovered in Boston's South End. Workers found an old copper box beneath a cornerstone of a former Lutheran church during its demolition.

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 ...

Copper products are widely used in building construction, electrical grids, electronics, the medical sector and transportation. Together with gold and silver, copper is a member of the holy trinity of ...

It’s hard to reckon exactly when in history humans became a technological species. Part of that is because the definition of technology is somewhat subjective; if you think making a stick pointy ...