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.

Liquid nitrogen might be overkill in this case; the goal is to cool the plastic down below its brittle transition temperature, which for most plastics is about -40° (420° R). Dry ice will do the ...

Liquid nitrogen can be dangerous in food due to its extremely cold temperature. Direct contact can cause frostbite-like injuries, and inhaling the vapour can lead to breathing difficulties.

After freezing, the water molecules are further apart than they were as liquid water. As solid ice, the molecules are further apart, arranged in an orderly pattern, and not able to slide past each ...

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 ...

When the coil is cooled in liquid nitrogen, the resistance drops and the flashlight bulb glows brighter. The resistivity of copper is temperature-dependent, with its resistance about 2 times greater ...

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