This clip shows how a vacuum flask prevents heat loss. Detail of the design of the flask to prevent conduction, convection, radiation and evaporation is given. This includes the vacuum ...

The answer to all our collective, rapidly cooling hot drink woes? A vacuum-insulated flask. Think of a vacuum flask as a cup within a cup. The space between the two vessels is evacuated of any air, ...

A vacuum-flask maker rises and falls with polls favouring Harris, while an aviation software company gets a Trump bump.

Stay hydrated at the gym and on the go with these top-rated water bottles from Yeti, Stanley, Hydro Flask and more.

As winter approaches, keeping your beverages warm is essential. This article highlights five stylish teapots and flasks, ...

It has a double wall copper coating inside for maximum temperature retention.Available in three sizes, the flask is ideal for office and home use. Carry your favourite beverages in this vacuum ...

This clip shows how a vacuum flask prevents heat loss. Detail of the design of the flask to prevent conduction, convection, radiation and evaporation is given. This includes the vacuum ...