Conaghan described how he arrived at the lab on March 4, 2018, with no signs of anything unusual. When he tried to manually measure liquid nitrogen in a container called “Tank 4,” he had trouble ...

Dry Ice, Liquid Nitrogen, Compressed Gases, Gas Tank regulators and valves are available through Procurement and Payment Services' Lab Gas Program: Lab Services monitors the quantities and locations ...

As the liquid turns to gaseous nitrogen at around -196 C, [The Action Lab] figured that it could be used to propel a simple steam engine at room temperature. Testing this out had amusing results.