Liquid oxygen

How about a crash course in the Space Shuttle's external tank, shall we? The external tank is the big orange thing you see on the outside of the shuttle. You know, the one the bat was napping...

Frostbite Theater presents... Cold Cuts! No baloney! Just science! Hi! I'm Joanna! And I'm Steve! And this is a test tube of liquid nitrogen! And this is a test tube of liquid oxygen! Let's see what...