Re: Laser Cooling

From: Everitt Mickey (evmick@pnv.net)
Date: Sun Jul 30 2000 - 00:02:52 MDT


>AND?????? What are you thinking (assuming that IS what is going on)? ;)
>

In my own humble fashion...yes.

>Lasers cool by evaporating a part of a substance, the evaporation
>causing the heat of the substance to drop.
>

Bummer.....I didn't realize that.

So laser cooling is just a high tech swamp cooler huh?

I was dreaming of a laser beam to space offloading excess Btu's into the
void....

Rats....

-----Original Message-----
From: Michael S. Lorrey <retroman@turbont.net>
To: extropians@extropy.org <extropians@extropy.org>
Date: Sunday, July 30, 2000 12:30 AM
Subject: Re: Laser Cooling

>Everitt Mickey wrote:
>>
>> I've heard the term "laser cooling" used....in fact I think that is how a
>> "Bose Condescant" is generated.
>>
>> That being the case then it appears that somehow lasers are used as a
heat
>> pipe.....
>>
>> I've also heard of OTEC's....(Ocean Thermal something or
another)....where
>> electrical energy is supposed to be generated via tempeture differential
of
>> surface vs deep sea.
>>
>> Not that I'm thinking that lasers would be much use in that regard...but
it
>> got me to thinking........
>>
>> Four Degrees Kelvin.
>>
>> Laser Cooling.....
>>
>> ????????????
>
>AND?????? What are you thinking (assuming that IS what is going on)? ;)
>
>Lasers cool by evaporating a part of a substance, the evaporation
>causing the heat of the substance to drop.
>
>OTEC: Ocean Thermal Energy Conversion systems are electricity generators
>and water purifiers that use either closed or open Carnot cycle heat
>engines to transfer heat from surface water to cold water that is pumped
>up from the depths. Hawaii has a few installations, and there are others
>on islands around the world where sources of water and energy are useful
>when neither is in abundant supply locally from more conventional
>sources.
>
>A Carnot engine is a rather interesting device, to be sure, and a quick
>read on them is recommended.
>



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