http://www.collegehumor.com/video:1755006 [Broken] This may be old but... How does this work? They need to have a huge warmth transfer coefficient for this to happen? Maybe the water is at 0°C already and a small amount of energy should be taken to get this effect. Is it electromagnetical or is the bowl just cooled with liquid nitrogen or something. The conductivity of water can't be that great?