Cellulose residues, which have hardly been used to date, can be pressed into hard circuit boards after “hornification.” They don't have to be totally waterproof.

Every electronic device, from laptops to toothbrushes, has one thing in common: a printed circuit board, or PCB. These flat boards, usually green in color, carry the copper wires and electronic ...

As artificial intelligence and data centers demand more power from the grid, Carnegie Mellon University is improving a key technology at the heart of America's energy future—batteries.

A jewelry's box worth of affordable American tickers just went on sale, and my arms have never seemed so bare.