Magnetic Music

I found this a few years ago in a science museum. The exhibit displays, in a pleasant fashion, the magnetic fields around solenoids caused by the frequency of music that is being fed through it. louder the music is in that part of the audio spectrum the more the iron filings will clump up and go nuts. The effect is downright fascinating if you ask me.

By the way, this post is pretty much to see if I can successfully post a video clip from YouTube on my site after I upgraded. Yeah! It works!