How to Create your own diode

MAKE and Collin Cunningham brings the do-it-yourself mindset to all the technology in your life. Make Magazine celebrates your right to tweak, hack, and bend any technology to your own will.

In this Make Presents video tutorial, you'll see how to create your own diode, along with learn valuable information about diodes. It's the simplest semiconductor device made. It ushered in the age of radio, the electronic valve that rectifies and regulates - the diode! Wait until the end of the video for a brief diode tutorial, but first enjoy the fun information about them.