Posted: Jul 30, 2011 12:29 pm
Gotcha! That's kind of what I thought, but I wasn't sure if the mirror flipped polarity. It's a good trick anyway. Startle your children with it! 
Lifeboat for the rational mind :D
http://www.rationalskepticism.org/
http://www.rationalskepticism.org/viewtopic.php?p=943199#p943199