Re: "Rockets not carrying fuel" and the space tower.

mmeron_at_cars3.uchicago.edu
Date: 03/29/05 

Date: Tue, 29 Mar 2005 00:49:49 GMT

In article <ky12e.60128$xX3.28598@twister.socal.rr.com>, "Mike Rhino" <october2003@alexanderpics.com> writes:
>If you wanted to send energy to a rocket, you would be better off with a
>laser. In that case, the rocket would still need fuel, but it wouldn't need
>anything that burns. The fuel tank would contain ammonia and nothing else.
>The back of the rocket would have a concave mirror that concentrates the
>laser light on one spot. Ammonia would be sent to that spot, heat up, and
>be ejected as exhaust.
>
And the advantage over "something that burns" would be? I mean other
than saying "I'm high tech, I'm using a laser":-)

Mati Meron | "When you argue with a fool,
meron@cars.uchicago.edu | chances are he is doing just the same"

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