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.

Dr Vijay HS further explained that liquid nitrogen has two properties which can cause problems for a person's health. "First is the temperature itself, which is around -190 to -200 degrees Celsius.

What if you have a need for liquid nitrogen, but you do not wish to simply ... the second version of the cryocooler managed to reduce the temperature to a chilly -75°C. In this video series ...

Nitrogen makes up about 78% of the Earth's atmosphere. Liquid nitrogen is very cold, so it is often used to freeze food. The boiling point of nitrogen is −196 °C, so liquid nitrogen is very ...

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