>From: EvMick@aol.com
> > It gains the energy from radiation (photons) which collide with it. An
> > expanding
> > gas is a very good example of an action-reaction relationship, both on
>the
> > atomic/molecular level, and on the macro level. It is certainly not
> > reactionless.
> > Gas does not just expand in one direction, it seeks to expand in all
> > directions.
>
>
>I guess I'm "not getting it"..
>
>One molecule of gas....it absorbs energy.......then what?
It starts moving and thrashing all around, kicking its neighbors further
away. Result: the molecules grow further apart, ergo expansion.
-Zero
"I like dreams of the future better than the history of the past"
--Thomas Jefferson
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