Host, Kari Byron finds out why sparklers don't burn your hands, how hair dye solves crimes, and why some flaming craters never go out. Then, test the laws of physics with a leaf blower, volleyball, and a string of light bulbs.

Host Kari Byron makes cornstarch move to rock music and shows how boomerangs fly in Space. Shrimps hit the treadmill and whips crack at supersonic speed. Find out what it means to fall from an airplane at terminal velocity, and poke pencils into water.