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 of Physics and Astronomy.

What’s going on? “Liquid nitrogen is nitrogen in a liquid state at an extremely low temperature.” It shrinks up the animals as the oxygen and nitrogen gases within the balloons cool and condense. […]

Source: What happens to balloon animals in liquid nitrogen? | The Kid Should See This