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“There are many ways to enjoy a brew – but tepid tea never goes down well with anyone.
Which is why two German scientists have invented what may be an indispensable item for the British home – a ’smart’ mug that maintains its beverage at the perfect temperature.
Disappointed at glugging mulled wine at Germany’s famed Christmas markets that was either too hot or too tepid, the boffins set themselves the task of designing a high-tech tea or coffee mug that would keep the optimum temperature of the liquid inside.
Klaus Sedlbauer, the head of the Fraunhofer Institute for Building Physics (IBP), and his colleague Herbert Sinnesbichler, used ‘phase change materials’ (PCM) of the sort found in the construction industry to keep rooms cool in summertime.
The material is usually embedded within plaster boards or placed on walls and ceilings to absorb and store warmth and releases it after the sun has gone down.” w/ photos