ChatterBank5 mins ago
Vacuum flask
1 Answers
who invented the vacuum flask ?
Answers
Best Answer
No best answer has yet been selected by Laurence. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.An experimental scientist named James Dewar (1842-1923). Dewar's speciality was liquefying and freezing gasses, and he devised a vacuum jacket to maintain their temperature. Known as the Dewar flask, it was later marketed commercially as the Thermos flask. He also developed cordite, the explosive propellant.