This is pretty cool for you mechanical types out there. Someone sent me the first link and there is a bunch of links on google.
[ame]http://www.youtube.com/watch?v=HSKyHmjyrkA&feature=email[/ame]
[ame]http://www.youtube.com/watch?v=-GgOn66knqA&feature=related[/ame]
[ame]http://www.youtube.com/watch?v=HSKyHmjyrkA&feature=email[/ame]
[ame]http://www.youtube.com/watch?v=-GgOn66knqA&feature=related[/ame]