Explanation You feel a slight tingle when you touch the exposed ends of each wire to your tongue because the coins react with the acid in the lemon creating a small electrical current. Discover more ...

Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch step-by-step as we cut lemons, prepare copper and aluminum electrodes, and ...

Just in time for the return of the school year, we're going "Back To School" by revisiting a classic at-home experiment that turns lemons into... Want to see a cool trick? Make a tiny battery with ...