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Cake day: June 12th, 2023

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  • Most of these costs are in terms of energy, one of the most plentiful things in space. Also, if we do things right (a huge if, I know), the bigger idea is to bootstrap it by sending enough tools to make the tools you need to extract and refine resources. This doesn’t require a von Neumann machine since we can control them, either directly or remotely. Also, if we are going to extract resources in space, a lot of infrastructure will need to be built first, which is cheaper if we use resources that are already in space. And as the saying goes, the surface of the moon is halfway to anywhere in the solar system.







  • I’ve never been diagnosed with tinnitus, but I’ve been living with it for decades. I mostly have a low-level, staticky whine, but sometimes I’ll have attacks that are high-pitched, loud, and painful. I will also rarely have bouts where my hearing is muffled and definitely feels like someone is behind you blocking ambient sounds. The in front of you part is probably blocked out by our eyes showing nothing there.








  • The atmospheric temperature of Jupiter varies, but is well below zero degrees, Celsius or Fahrenheit. This means you could make a habitable shelter using neutral buoyancy to keep it in the desirable pressure ranges simply by keeping it at room temperature. You could even do the hot air balloon technique and have a large balloon heated to possibly above room temperature to allow for a larger habitat with stronger materials, so long as the net density is about one atmosphere.

    None of this solves the question of how you power it, or do that orbital insertion in the first place, but Dr. Robert Forward discusses the mechanics of a similar idea in his novel Saturn Rukh.


  • I can appreciate what you’re saying, but it’s kind of like action adventure films. They mix the genres because the audience they’re targeting wants that. So, if women are interested in romance, they can expand the fantasy readership by putting that in there. I’ve read some that aren’t bad and some that are pretty tiring, but Allen Dean Foster wove a romance element into the Flinx series now and then, and it was a key part of the Spellsinger series. So not really just a women-only thing, and likely for the same reasons - expanding the market for the books.