__1842: __Sir James Dewar is born, but not into a vacuum. He will invent a vessel designed to make research into gases at extreme low temperatures easier, and it does. But the Dewar Flask also becomes ...

Cryogenics is a branch of physics that concerns itself with the production and behaviour of materials at very low temperatures. While the liquefaction of oxygen achieved by French physicist Louis Paul ...

This is one of the first ever vacuum flasks. While we generally use them to keep our drinks hot, vacuum flasks were invented by James Dewar in 1892 to keep things very cold. Dewar was interested in ...

Liquid nitrogen isn’t exactly an everyday material, but it’s acquired conveniently enough to be used in extreme overclocking experiments, classroom demonstrations, chemistry and physics experiments, ...