Random Thought Thread

I once made the mistake of dipping an aluminum tube into my liquid nitrogen dewar to estimate the depth of the remaining liquid nitrogen and the liquid nitrogen erupted out of the tube all over the shop, onto the ceiling, and down onto my head. I didn't like it.
 
I once made the mistake of dipping an aluminum tube into my liquid nitrogen dewar to estimate the depth of the remaining liquid nitrogen and the liquid nitrogen erupted out of the tube all over the shop, onto the ceiling, and down onto my head. I didn't like it.
Extreme temperature differences combined can make for some spectacular reactions.
 
this was yesterday for my karate promotion
giphy.gif
 
I once made the mistake of dipping an aluminum tube into my liquid nitrogen dewar to estimate the depth of the remaining liquid nitrogen and the liquid nitrogen erupted out of the tube all over the shop, onto the ceiling, and down onto my head. I didn't like it.
someone had to.
 
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