If you mount a pickle on two metal forks and plug it into a socket, one end will light up in a brilliant orange glow. It’s a classic K–12 science demonstration, but the exact physics behind the illumination has long remained a mystery.
If you mount a pickle on two metal forks and plug it into a socket, one end will light up in a brilliant orange glow. It’s a classic K–12 science demonstration, but the exact physics behind the illumination has long remained a mystery.
