Make your own battery using copper coins, vinegar, foil and cardboard. I had enough energy to power an LED with mine and also a TV remote! Really simple science project and easy to do yourself.
here’s no opportunity to waste rushing to the medication store for substitutions. It’s fortunate you can make your own with simply the extra change rattling around in your wallet.
OK, you’ll likewise require some cardboard, aluminum thwart, and wires to interface with whatever you’d like to catalyst. Yet at the same time, it’s truly so basic.