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Re:Coffee Joulies: Kickstarter project keeps your coffee at ... by will_lam on Wednesday March 30, 2011 @11:50PM (#2390359)
I think the idea is quite brilliant - being an avid coffee drinker - many a time I wished my coffee was still warm while travelling on public transit.
Re:Coffee Joulies: Kickstarter project keeps your coffee at ... by ghshephard on Thursday March 31, 2011 @12:52AM (#2390450)
The keeping coffee "Hot" problem is easily solved with a good, insulated, transit mug. High quality ones will keep your coffee very hot for a couple hours.

What the Joulies do is _cool_ the coffee by initiating a phase change in their PCM, but then don't drop it too far down.

Re:Coffee Joulies: Kickstarter project keeps your coffee at ... by georgieporgie on Thursday March 31, 2011 @01:04AM (#2390470)
but then don't drop it too far down.

They actually actively maintain the temperature until their internal substance has turned back into a solid (which may or may not be what you meant).