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Comment Re:Bet against Elon if you like (Score 1) 105

Data centers in space are more expensive than data centers on earth. There is no way to avoid that. It doesn't matter how much you like Elon, the data center in space will always be more expensive.

The only reason to have data centers in space is if you want to do processing in space, for lower latency or something similar. And in fact, that is what the government wants to do.

Comment Re:So basically... (Score 1) 105

It's part of the Golden Dome anti-missile defense. The architects have decided it's important to process missile tracking data in space, rather than sending it down to earth for processing.

They have a whole network of things up there processing and communicationg.

I haven't looked much at the architecture, but I suspect it's kludgy, completely lacking elegance.

Comment Re: Bet against Elon if you like (Score 1) 105

How would you cool a processor without atmosphere? Would you have to create an atmosphere to absorb the dissipated heat, then somehow get rid of that heat?

Black body radiation. The heat is emitted in the form of infrared light (and other wavelengths, but mostly infrared).

Most satellites need to be carefully engineered to maintain their temperature range without getting too hot or too cold.

Comment Re:Ribosomes are awesome (Score 1) 54

Indeed, a reasonable hypothesis is that ribosome-type life evolved first, and the the DNA mechanism evolved later, pushing out all the ribosome-style life except the traces of it that remain in our cells.

Francis Crick calculated how long it would take for life to evolve from scratch, and concluded it would take longer than the earth has existed. In response, he developed the hypothesis of panspermia, that life evolved elsewhere and somehow landed here (maybe just a few cells on an astroid). I don't have the ability to check his math on that hypothesis, so I don't have an opinion either way.

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