gallery: Sam's Laser FAQ - Carbon Dioxide Lasers

Creationists and their (lack of) proof from YouTube · Duration: 9 minutes 37 seconds

Creationists and their (lack of) proof from YouTube · Duration:  9 minutes 37 seconds

Find Out How Gasoline Gets to Your Tank from YouTube · Duration: 5 minutes 48 seconds

Find Out How Gasoline Gets to Your Tank from YouTube · Duration:  5 minutes 48 seconds