The vacuum-seal flask was not Sir James Dewar’s first foray into long-term temperature maintenance. Along with physicist and fellow countryman Peter Tait, ...

The inventor’s handmade tools are now museum artifacts.

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 ...

The vacuum flask has helped warm up explorers in the coldest places on Earth. But the scientist who invented it was actually trying to keep gases at a temperature close to absolute zero.

In the 1940s, most Hongkongers relied on vacuum flasks to keep liquids hot or cold, usually made by local brand Camel. Today, the company is still making them, and runs a vacuum-flask-themed hotel ...

Called "Poke Mini Bottle", the first term being a portmanteau of the Japanese words for pocket ポケット and mini ミニ, this stainless steel bottle is a fully-functioning vacuum flask which will keep 140 ...

It’s the thing you take on every picnic and every hike, because it keeps drinks hot for hours on end. The vacuum flask has helped warm up explorers in the coldest places on Earth. But the ...