Introduction To Thermos Flask

- Jun 19, 2020-

The thermos flask, also known as the thermos flask, was invented by The English scientist Dewar. A layer of silver or reflective coating is applied to the vacuum to trap the thermal radiation. Put another stopper on the top of the bottle. All three ways of conducting heat are cut off, and the tank stays warm for a long time. He stored liquid hydrogen in this bottle. It is widely used. Almost every house has a thermos or thermos