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 How Much Paper Does it Take to Stop a 50cal Here’s One Way to Defy Gravity – Helium + Man with Wings High-Speed Footage of Levitating Water Drops Looks Like a Fireworks Show Two Vortex Rings Colliding Watch NASA Fire Up A Vintage F-1 Engine Watch What Happens When You Fire A Cannon Ball At 60 MPH Out Of A Truck Traveling 60 MPH