Cybertruck The Solar-Powered Steel Tortoise

Elon Musk revealed additional options for the Cybertruck.

It's a little appreciated fact about Tesla's electric motors that they don't need gears to go as fast or as slow as you want...

Fans of science fiction Grandmaster Robert Heinlein recall the Steel Tortoise from his 1940 novella Coventry:

The vehicle he had chosen was ... was extremely rugged, easy to operate, and almost foolproof. It drew its power from six square yards of sunpower screens on its low curved roof. These drove a constant- load motor, or, when halted, replenished the storage battery against cloudy weather, or night travel.

It could maintain a steady six miles per hour on smooth, level pavement. When confronted by hills, or rough terrain, it did not stop, but simply slowed until the task demanded equaled its steady power output.
(Read more about Heinlein's solar-powered steel tortoise ATV)

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