Flammable Ice...

(YouTube Link) High school science teacher "M...  ...owl. When the Ice melts the water reacts with the calcium carbide (place on the bottom) to produce acetylene gas an...  ...place on the bottom) to produce acetylene gas and calcium hydroxide. The acetylene gas then explodes into f...  ...ts because it keeps...

http://www.neatorama.com/2009/10/29/flammable-ice/