Re: Laser Cooling

From: Christian Weisgerber (
Date: Sun Jul 30 2000 - 05:44:04 MDT

[Non-member submission]

Everitt Mickey <> wrote:

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

David Brin, "Sundiver" (1980).
This has been discussed in, and the consensus
was that it is thermodynamically impossible. A laser beam has low
entropy, so you can't use it to get rid of waste heat.

Christian "naddy" Weisgerber                 

This archive was generated by hypermail 2b29 : Mon Oct 02 2000 - 17:35:25 MDT