"I'll come back later on to take away your trash," he promises, as he sets up a portable electric hot plate on the table. He snips open sealed vacuum packs of soup to pour into the hot pot.

The idea of putting a metal plate inside a vacuum with a filament, was devised by the American scientist Thomas Edison in 1887, while he was trying to improve the light bulbs he invented.

This paper put forward application modes, cautions, and the effect of use of vacuum thermal isolation plate in refrigerator. The prospect of vacuum thermal isolation plate was described.