Half a croissant, on a plate, with a sign in front of it saying '50c'
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Cuppa Clock

 A thermoelectrically powered e-paper clock on a coffee mug.
  (+6)
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During the workday the display is kept updated, powered by a small storage-capacitor charged by a thermo-electric cell. After a few hours of being heat or motion-less, the e-paper pixels revert to a static display until the clock is heated or picked up. The timekeeping portion requires almost no energy at all and can easily keep running for a week or two unassisted.
—FlyingToaster, May 22 2010

Safety third Cellular_20Iron
[normzone, Jun 21 2010]

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       good, don't understand it but it sounds real good.
—dentworth, May 22 2010
   

       an uninformed pastry tastes just the same as the uppity kind gone to college and all, but... "cuppa" is a slang term for "cup of coffee". (post nudged in the general direction of comprehensibility)
—FlyingToaster, May 22 2010
   

       I'd prefer a clockwork (pendulum aided) method of keeping my cuppa warm.
—po, May 22 2010
   

       //alarm... nears minimum drinking temperature// I thought of that too, but my habit consists of a sip a couple times a minute, so I'm usually aware when it's near the critical point and has to be nuked/refilled.   

       //clockwork... pendulum... cuppa warm// Post Post Post Post
—FlyingToaster, May 22 2010
   

       [FT], the term "cuppa" refers exclusively and specifically to a cup of tea, not coffee.
—MaxwellBuchanan, May 22 2010
   

       "beverage of choice", besides, a cup-of-tea brings to mind china not pottery.
—FlyingToaster, Jun 21 2010
   

       Safety third (link).
—normzone, Jun 21 2010
   


 

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