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Since Sir James Dewar designed it for the purpose of preventing his liquid air from rapid evaporation, the flask has become a household friend and an invaluable tool in the laboratory and the ...

Dewar was interested in cryogenics, the science of extreme cold and in 1898 he was the first person to make liquid hydrogen, which at the time was the coldest substance ever produced. Cooling gas ...

Users can purchase it as a complete system incorporated with superconducting magnets and a liquid helium dewar, or as an independent insert for incorporation into users’ existing equipment. With more ...