Re: the ultimate refrigerator

From: Anders Sandberg (asa@nada.kth.se)
Date: Mon Dec 15 1997 - 10:54:33 MST


John K Clark <johnkc@well.com> writes:

> I think Laser cooling would be much more practical, temperatures about that
> low have already been reached with it, it's how a Bose Einstein condensate
> was made a few years ago.

The problem is that the lasers themselves get hot. It is a very
energy-intensive form of cooling, and you cannot fool entropy with
it. So it will likely work well for small regions, but an even larger
region will get entropic.

-- 
-----------------------------------------------------------------------
Anders Sandberg                                      Towards Ascension!
asa@nada.kth.se                            http://www.nada.kth.se/~asa/
GCS/M/S/O d++ -p+ c++++ !l u+ e++ m++ s+/+ n--- h+/* f+ g+ w++ t+ r+ !y


This archive was generated by hypermail 2.1.5 : Fri Nov 01 2002 - 14:45:13 MST