http://www.howtogeek.com/121908/weekend-project-build-a-crystal-radio-from-a-bottle/
I ran across this, & I thought it is sooo neat! But you have to build one while AM exists, because it doesn't work with FM.
http://www.howtogeek.com/121908/weekend-project-build-a-crystal-radio-from-a-bottle/
I ran across this, & I thought it is sooo neat! But you have to build one while AM exists, because it doesn't work with FM.