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Topic: Liquid Nitrogen
Thermal expansion sphere and ring demonstrations
If you ever had trouble twisting open a jar lid that's stuck, try running it under some hot water. When you try again, it will most likely pop open with a twist thanks to thermal expansion. Most (but not all) matter w...
The Meissner Effect: How to levitate a neodymium magnet
A neodymium magnet cube sits on a surface of yttrium barium copper oxide—YBa2Cu3O7, nicknamed YBCO—inside the bottom of a styrofoam cup. A small amount of liquid nitrogen is poured slowly over the YBCO. As it cools, t...
What happens to balloon animals in liquid nitrogen?
How can you fit a bunch of balloon animals into a small container? Add some liquid nitrogen into the mix, as demonstrated in this video by Real Physics Live, the YouTube channel for Texas A&M University's Department o...
Making ice cream with Liquid Nitrogen and Dr. Kate Biberdorf
Dr. Kate Biberdorf is a lecturer and the Director of Demonstrations and Outreach at The University of Texas in Austin, and an internet famous chemist who creates impressive explosions for students all across Texas. In...
Levitating pumpkins! Halloween superconductor science
What happens when you put a cooled superconductor, in this case, a YBa2Cu3O7 ceramic disk, into a tiny pumpkin and then place them both onto some neodymium magnets? Levitating pumpkin! In this Ri Channel video, su...
Why do ice cubes crack in drinks?
Here's an easy experiment: Take ice straight from the freezer and drop it in a glass of water. Listen and watch for the crack. Why does it do that? Professor Martyn Poliakoff of the Periodic Table of Videos team e...
Liquid Nitrogen and 1500 Ping Pong Balls
Dr. Roy Lowry of Plymouth University in the UK made science explosively exciting for his class by demonstrating how powerful (and loud) it can be when the pressure of cold, trapped Liquid Nitro...
Sculpting in Solid Mercury using Liquid Nitrogen
Boing Boing Video teams up with PopSci and Theo Gray (in 2009) for an eerily beautiful science experiment — how to cast solid, if fleeting, shapes from normally liquid mercury —...
Quantum Levitation: A mind-blowing demonstration and explanation
Quantum levitation. “Superconductivity locked in space,” a phenomenon known as quantum trapping. You can see more details in this Quantum Levitation video by Quantum Researcher Boaz Almog: Mind. Blo...
