The vanes in the radiometer are alternately dark and light in color. When the light strikes these wings, it transfers heat to each one, but not in the same degree. The lighter wing reflects the rays, and the darker wing absorbs... $14.95
These things are smokn'! Matchbox sized radio control race cars. Running at both 49MHz and 27MHz you can even run more then one at a time in an area. Race around a home made race track, but not under water.:-) You'll have hours of... $14.95
Watch video and listen to music anywhere, any time! The very smart key and clear 1.8-inch TFT screen makes this the perfect holiday gift for yourself or the people on your list!
It's a light-weight handheld Portable MP3 (music)... $69.99$0.00
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