FEW laboratory devices have achieved the popularity of the vacuum flask. Since Sir James Dewar designed it for the purpose of preventing his liquid air from rapid evaporation, the flask has become a ...
It’s 6pm on a Friday and the bar at Home in New Delhi’s affluent Vasant Kunj district has already come alive with rotary evaporators, conical flasks, stirring rods, vacuum pumps, chillers and test ...
If Scottish chemist and physicist James Dewar had only patented his 1892 invention, “a Dewar” would be the generic name for the vacuum flask instead of a thermos. His laboratory experiments in the ...
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