off on technabob...
design | just plain fun
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This simple, clever mug automatically indicates its current state of mind when you pour a hot beverage into it.
In its dormant state, the mug offers a black “OFF” display, but once your hot coffee or tea hits the inside, it gradually transforms to read “ON”. A heat sensitive pigment changes the color of the mug from black to white…
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November 30th, 2007
stumble it!
author: technabob