One of my astronomy managers used to tell me that liquid nitrogen was harmless and was just liquid air. He would pour it onto his bare hands to demonstrate how safe he thought it was. I was later to realize that incompetence was a feature of high altitude astronomy.

~ Steven Magee

Steven Magee Air Altitude Astronomy Bare Demonstrate Feature Hands Harmless Health High Incompetence Just Later Liquid Managers Nitrogen One Onto Osha Pour Realize Safe Safety Tell Thought Used