Liquid Nitrogen Bottle Rockets Liquid nitrogen floats on top of the warm water, expanding thus propelling the soda bottle upwards with extreme force. Facebook Prev Article Next Article Experiments Checkout these cool gadgets... Related Posts When He Pours Molten Aluminum Into A Tank Of Water Balls, The Coolest Thing Happens… What Happens When You Try to Skydive With an Umbrella? Physicist Andreas Wahl puts his life on the line in this experiment Fidget spinner spinning in space! How To Make Solar Concentrating Mirrors Hydrophobic sand turns to goo in water and magically turns back to sand when dry