• Question: What is liquid nitrogen?

    Asked by Bryan to Adam on 15 Mar 2018.
    • Photo: Adam Ruben

      Adam Ruben answered on 15 Mar 2018:

      It’s the exact same nitrogen you breathe (the air around us is 79% nitrogen…most of the rest is oxygen, which is the helpful part for us). They make liquid nitrogen by freezing air until it becomes a liquid, then separating the nitrogen from the oxygen and other elements.

Comments