I recently started using a 50-year-old vacuum-seal flask that belonged to my Grandpa so that I don’t have to leave the dungeon as often to procure more caffeine. Besides looking totally awesome ...

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 ...

Insulated vacuum flasks (aka "thermoses") may keep liquids warm for a while, but they do have their limits. The Kimos flask addresses this shortcoming by heating the water within it to a boil ...