Monday, August 14, 2006

Idea: Cool Black Paint

Following up on Pre-Stolen Ideas and Truly Anonymous Search, here's an idea I've been kicking around for quite some time:

Create a (commercially available) type of paint that absorbs (the majority of) the visible spectrum, but reflects (most) everything else.  The idea being that black is a desirable color for many purposes (cars, clothing, etc), but it has the unfortunate drawback of getting quite hot in the sun, as it absorbs a large portion of the sun's energy spectrum, including infrared and ultraviolet.  This paint would look black to you and me, but by reflecting non-visible colors (i.e. energy) it should stay cooler than 'regular' blacks.

Specialized, spectrum sensitive paints, exist (like radar-absorbing paint, used in many military installations), so I'd think this should be feasible.


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