If you connect either cable of an extension cord to two forks and insert those forks onto either end of a pickle, then plug that extension cord into an outlet, the pickle will glow like the 4th of July.
Electrocute a Pickle
MIT scientist explains OLEDs by electrocuting a pickle. From Gizmodo: "...Electrons pass through the pickle (or any other active organic matter) and charge the substance. When positive and negative charges collide, they release a photon (light). This pickle represents just o ...more