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, in just ...

Russell Hayward pours a measure of preheated water into a small, bulb-shaped boiling flask and carefully sets it over a halogen heating element. At the flick of a switch, the element glows amber, ...