Daniel Rocha <[email protected]> wrote:

The battery that powers the terminators last decades and it is quite small.
>

Yes. Well, it is fictional, too. But that is the potential of cold fusion.

This robot sounds like it is powered with gasoline ICEs. Range must be
limited.

A real horse is self-powered in much of the world. It eats grass. However,
a horse used in war needs to be fed oats or other food crops. It cannot
forage enough. In the U.S. east coast during the Civil War, in 1864 and 65,
Confederate horses were in bad shape for lack of food.

Ancient armies such as Alexander's had sharp limits to distance they could
advance across barren or desert areas. Each horse or other pack animal had
to carry its own food as well as the goods it was carrying. There were
complex schemes and mathematical problems worked out about for staging
supplies in the desert, or starting off with large numbers of animals and
killing off some as you went across. This was the scheme used by Amundsen
to reach the south pole. He was an excellent explorer, and very methodical.
He got there and back on schedule without undo risk. But the public never
felt good about him because his plan involved shooting dogs along the way,
and feeding them to other dogs.

- Jed

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