Image

Liquid nitrogen.

Spoon holding some Liquid Nitrogen

Liquid nitrogen is a common laboratory coolant. With a boiling point of -196°C, it is cold enough to instantly freeze moist air in its vicinity. The ‘smoke’ is made up of tiny ice crystals.

Rights: Sascha Meinrath
Published: 9 April 2010,Updated: 9 April 2010Size: 56.74 KB