Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work.

 
 
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Gunner
 
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Default Nice write up about LEDs



http://members.misty.com/don/lede.html
Why LEDs can be 10 times as efficient as incandescents in some
applications but not in general home lighting!

UPDATED slightly 4/18/2004.



Some LEDs work well for night vision


That rifle hanging on the wall of the working-class flat or labourer's
cottage is the symbol of democracy. It is our job to see that it stays
there.
- George Orwell
 
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