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2 yr. ago

  • Apparently Watson, the IBM AI that won Jeopardy, is actually pretty good at making recipes. That said, this is because it analyzes chemical compositions of known good recipes to find the compounds that make us like them and finds things that can produce similar profiles, rather than just sticking strings of text together in new ways.

  • My wife got quite offended when I implied that we should consider the spiders pets. Before living in the same place, I would just leave the spiders be as long as they didn't bother me. That is no longer an option, although I do escort them safely outdoors rather than squishing them as is requested.

  • Lemmy.world Support @lemmy.world

    Mod takeover request

  • Thermal management is a huge issue for spacecraft. In atmosphere, the bulk of cooling for things like electronics would be convective, from transferring the heat into a fluid (air/water/etc) which then moves away with the heat. In space, you don't have a fluid for convective cooling, so your cooling is all radiative - essentially just emitting infrared energy. This is far, far less efficient - you need much more material and surface area to get the same cooling.

    Dark objects are better at radiative cooling... unfortunately, they're also far better at absorbing radiative energy. Like the oodles of it coming out of the sun. That's why dark objects are dark - they're absorbing the energy. However, it also means that your thermal management is far more difficult because you're absorbing a lot more heat. It can be worked around, but it makes the spacecraft larger and heavier, which is the antithesis of space work. So spacecraft have traditionally tried to reject as much absorbed energy as possible, which by definition makes them reflective.

  • Nope, had to look it up (I think I'm a bit older than Destiny's original target audience), but just from a summary written about his political discussions I could see his brand of a pragmatic take on traditional liberalism being a good fit and am now curious to watch a couple of his videos.

  • So I would consider myself at least reasonably inclined to thinking and somewhat conservative. Note, however, that does NOT mean Republican. When I use conservative, it's in a different context than the modern "conservative movement". The modern movement seems to be more regressive than conservative. Conservative in my way of thinking is about calm, measured progress. Don't upend everything in massive sweeping changes... but don't reject change either, change is necessary and inevitable. The more moderate Biden-y neoliberal wing of the Democrats is probably the closest to that these days - the more progressive Democrats with wanting massive social upheaval type changes and the Republicans favoring the repeal-and-replace burn it down and maybe fix the ashes approach to undoing those changes, neither of which appeals to me.