The Natural Philosopher wrote:
J G Miller wrote:
On Thu, 17 Sep 2009 15:31:10 +0100, The Natural Philosopher wrote:

Energy is defined to be constant throughout the universe.
*Usable* energy is not.

Good point to make.

And when all of the usable energy is used up, what will the final
temperature of The Universe be?

isn't it 2.7 absolute or summat?


Better pack a fleece, then.

And a head-torch, it might be dark.

--
Ron