It's safe. I am very good with chemistry and physics. I know my limits. You breath 71% nitrogen with every breath. The liquid form looks like boiling water in a cup. Very cold. -273C in the center.
Yeah, I know the N2 is harmless at room temp, but liquid can burn you pretty badly in the right quantities.
Fascinating to drop stuff in it and see the result. You know, balloons, cola, assorted fruit, mewing kittens, etc.
Cool. Palmetto you are super, super duper smart. Im asking you all kinds of questions from now on.