190 degrees below zero. (1943)
Availability of videosources
Needs clarification of possibility of digitizing in HD.
Scientific-popular film of the liquid air.
Liquid air (oxygen + nitrogen).
Its preparation laboratory method.
An excursion into the history of physics.
The gases temperature.
Inflating a bike tire.
Production of liquid air.
Applications in medicine, electricity, agriculture, chemistry
Key wordsscience, physics, chemistry, scientists