Some physics on space x and transferring heat from hot ai units in the pretty decent vacuum of low earth
orbit. It's a problem to get rid of the heat. Then there's the maintenance. Could end up like that vacuum sausage under the desert train line from la to vegas, ie nowhere. And then there's the Chinese. Also, Mars, Bars, have you seen the size of them??! Used to be way bigger and you only needed one a day to work rest and play. Now you need 3. But anyway, 1 watt x outer space / not easy to service squared to the weight of 45,000 tons of scaffolding = 2 trillion$$$ , which is a lot.
SpaceX’s $2 Trillion Bet Has a Physics Problem https://youtu.be/S1umCJfbJ0w?si=tQMfY0hPQeaKRut6
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