Olin Lathrop wrote:
> This is basic physics.  You can't have something that
> receives radiation
> well but is poor at emitting it or vice versa.  If you did,
> you could easily
> construct a "free energy" machine.

   Too strong statements, as for me. Mother Nature
constracted >something that receives radiation
well but is poor at emitting it< : trees, grass.
   Why "free energy" machines - rather "radiation energy"
machines. In case of trees and grass - "sun radiation
energy" machines.
   Human made things are ones, based on energy saving
films, transparent to main sun radiation, while reflecting
infrared. This films are often built in windows. This helps
room to be more warm at winter times.
   Impressive experiment: get two windows, one with the
film and other without. Place behind them powerful
infrared source: 1kwt reflector lamp at low voltage with
a red filter. Standing before ordinary window you feel
lamp heat, before window with the film you feel no heat.
The film at that is invisible.

   Mike.

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