[SADXA] A Potato Battery Can Light Up a Room For Over a Month | Innovation | Smithsonian Magazine

[Theodore DOWNING]

OK, should SADXA create a Spud-DXCC award?  A tasty addition with ham radio.

https://www.smithsonianmag.com/innovation/a-potato-battery-can-light-up-a-room-for-over-a-month-180948260/


Ted Downing w7key