Any EE knows that an enclosed box at room temperature
containing air, wire, and an appropriate load can
generate so-called "free energy" 24 hours a day, 365
days a year.

The amount of continuous power for a single object is:

P = 4 K T dF

K is Boltzmann constant
T is temperature in Kelvin
df is bandwidth.

@ room temperature say 1 GHz dF we get just 17 pW. 
Not much power, but such an object could be a nano
particle.  One trillion of such objects generates 17
watts. Increase the bandwidth 1 THz and we get 17
kilowatts.

Quote taken from WikiPedia.org:
"Since any thermodynamic engine requires such a
temperature difference, it follows that no useful work
can be derived from an isolated system in equilibrium;
there must always be an external energy source and a
cold sink. The second law is often invoked as the
reason why perpetual motion machines cannot exist."

^ Incorrect ^

I think the Philosopher / Physicist P.W. Bridgman,
(1941) said it best "There are almost as many
formulations of the second law as there have been
discussions of it."


Regards,
Paul Lowrance



 
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