This fun little DIY device is labeled as a “crystal radio circuit in a jam-jar.” But that description doesn’t even to begin to do it justice. According to Tesla, this electronic wonder allows you to hear the disembodied, etheral voices, of the, well, ether, I guess.
Have you an opinion, used or been to this object or place? Tell us what you like don't like about it, or post any specs/info about it:
