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

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The hat has a scanning laser in the brim. Orienting itself with an inbuilt compass, it displays the markings of a sundial on the ground around you, so that the shadow of your head indicates the time.
ldischler, May 28 2006

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       does it come with a manual?
po, May 28 2006
  

       Head inclination angle would need to be monitored with respect to latitude and longitude, in addition to the compass function you speak of. All in all, a gloriously complicated and vastly less practical wrist watch alternative. Projected bun.
Texticle, May 29 2006
  
      
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