jb4096
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Electratherm Green Machine
Electratherm’s closet-size device is the first machine to power generators with waste heat of as low as 200ºF, a temperature given off by common boilers or chillers in office buildings. (Industrial waste-heat recyclers require 1,000º blazes.) The heat boils refrigerants into a pressurized gas that spins two small, screw-shaped rotors. From $128,000; electratherm.com
11.20.2008 at 11:10pm - Comment by jb4096This should work for any place with a cooling tower throwing off steam. Like coal fired or nuclear power plants. I always wondered why they were throwing all that energy away.
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December 2009: Best of What's New
In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.
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