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Huge computing facility! It's easier to dissipate heat in space.
Not an expert, but my understanding (from reading Heinlein, and I think other sources) is that it's hard to dissipate heat in space, because there's nothing to conduct it away.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.