The so‑called Baghdad battery has long sat at the crossroads of science, archaeology, and speculation, its humble clay jar ...
A new study suggests it had an 'outer' cell that reacted with air to supply a higher voltage. But was it a battery at all?
[Mark B] had a problem. He’d come into possession of an Acer N30 PDA, sans batteries. He couldn’t just throw any old cells in, since the unit expected to communicate with an onboard controller chip in ...