White blood cell attacking bacteria



Orange LED light In liquid nitrogen



Mercury reacting with aluminum



Fluorine reacting with carbon



Hydrogen peroxide catalyzed by potassium iodide



Burning magnesium in dry ice



Liquid nitrogen mixed with 1500 ping pong balls



Hydrophobic sand placed underwater



A neodymium magnet falling through a copper pipe



Putting out candles with carbon dioxide



Lithium on fire



Deflecting a water stream with a charged rod