Batteries are made of two different metals - or electrodes -suspended in an acid solution. With this experiment, our metals are the copper (wire) and the zinc (galvanization of the nail). The acid is ...

We're going "Back to School" today, revisiting a classic at-home experiment that turns lemons into batteries — powerful enough to turn on a clock or a small lightbulb. But how does the science driving ...

We’ve always been a little sad that supercapacitors aren’t marked with a big red S on a yellow background. Nevertheless, [DiodeGoneWild] picked up some large-value supercapacitors and used his ...