The Crystal Receiver. A radio without any power source.

In this video we are building a crystal receiver for the 6Mhz shortwave band.
The"crystal" here is a Schottky or Germanium diode.
It's very quiet because of the missing extra energy source. It has no amplification.

Music: Where Are You Now? by dotjot (c) 2011 Licensed under a Creative Commons Attribution (3.0) license. http://dig.ccmixter.org/files/dotjot/...