Whenever I get out the liquid nitrogen to do experiments and science magic shows I always have to end by eating something that has been soaked in the liquid nitrogen! When the liquid nitrogen vaporizes in my mouth and "smoke" pours out of my face, people start to pay a...

Liquid nitrogen is one of my favorite compounds in the science lab because it is so cold (-321 deg F) and readily available. Nitrogen is all around us, in fact the air we breathe is about about 78% Nitrogen! But, at standard temperature and pressure (STP) nitrogen is a...

Let me start here: this was not one of the best ideas I've ever had! I was preparing for "The Science Spot" a short science bit I do for the local CBS station and was deciding what liquid nitrogen demonstrations I should perform on tv. I stopped at the grocery store an...