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sleep_deprived

@ sleep_deprived @lemmy.dbzer0.com

Posts
3
Comments
21
Joined
2 yr. ago

  • Bill to reopen government shuts down hemp industry

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  • xkcd #3156: Planetary Rings

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  • Making an educated guess as a layperson, besides some satellites that are geosynchronous but not geostationary, I'd assume those are primarily old geostationary satellites in graveyard orbits - when they're EOL, satellites in those orbits are supposed to perform a small boost out of them, usually adding a few hundred km to their orbit's radius (GEO is about 36,000km in altitude, so a few hundred km is relatively small). Then, without station keeping, I believe they should naturally precess around the Laplace plane, which will range between roughly Earth's equator and the ecliptic plane (the plane of Earth's orbit). At GEO altitudes the Laplace plane is about 7.2 degrees inclined from the equator. I believe that would mean, starting at the equator with an inclination of 0 degrees, these satellites should precess to about 14.4 degrees and back to 0 over several decades (excluding other perturbations, of course).

    I found this online which would seem to confirm at least the mechanics: https://amostech.com/TechnicalPapers/2013/Orbital_Debris/ROSENGREN.pdf

  • What's the worst change made in a movie adaptation of a book?

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  • I get where you're coming from, and I do feel like Chani really suffered from the adaptation, but I felt like it was more due to screentime and not having internal thoughts than changes made. I felt her being skeptical at the beginning was both a great change to her character (it feels like she falls in love with the Muad'dib Paul becomes, not the Atreides he was) and a really good way to carry themes of anti-messianism into the movie where the book relied on philosophical asides. It also provides a natural foil to Stilgar's zeal and Jessica's manipulation, presenting Chani as more aligned with Paul himself.

  • The AI Was Fed Sloppy Code. It Turned Into Something Evil. | Quanta Magazine

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  • It isn't exactly what you're looking for, but you may find this interesting, and it's a bit of an insight into the relationship between pretraining and fine tuning: https://arxiv.org/pdf/2503.10965

  • ChatGPT 5 power consumption could be as much as eight times higher than GPT 4 — research institute estimates medium-sized GPT-5 response can consume up to 40 watt-hours of electricity

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  • That basically just sounds like Mixture of Experts

  • 1.4M of the nation's poorest renters risk losing their homes with Trump's proposed HUD time limit

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  • It's not supposed to make sense...

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  • electroweak unification

    Oh, that's easy! Just take your understanding of how spontaneous symmetry breaking works in QCD, apply it to the Higgs field instead, toss in the Higgs mechanism, and suddenly SU(2) × U(1) becomes electromagnetism plus weak force!

    (/s)

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  • Well, he's...he's, ah...probably pining for the fjords.

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  • For those curious, I found this source: http://prefrontal.org/files/posters/Bennett-Salmon-2009.pdf (Bennet et al. 2009: Neural correlates of interspecies perspective taking in the post-mortem Atlantic Salmon: An argument for multiple comparisons correction)

    Essentially it's using a dead salmon as a lone control to argue that fMRI studies should be more rigorous in how they control for random noise.

  • AI will never be able to write like me.

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  • Exactly. Attention mechanisms excel at extracting signal from noise. This would simply reinforce that noise can come in this shape.

  • Researchers Trained an AI on Flawed Code and It Became a Psychopath

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  • (How to trigger programmers (and make them irrationally angry)

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  • Fun fact, Rust has a special error message for this:

    Unicode character ';' (Greek Question Mark) looks like a semicolon, but it is not.

    It also detects other potentially confusing Unicode characters, like the division slash which looks like /.

  • (How to trigger programmers (and make them irrationally angry)

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  • Tell me you don't know what a programming language is without telling me you don't know what a programming language is

  • (How to trigger programmers (and make them irrationally angry)

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  • I have this great idea for an app, we can go 70/30 on it! 70 for me because the idea is the hardest part after all. So basically it's Twitter plus Facebook plus Tinder with a built in MMO. You can get that done in a couple weeks, should be pretty easy right?

  • Texas Needs Equivalent of 30 Reactors to Meet Data Center Power Demand

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  • Texan here. I don't have a generator. Blackouts basically haven't been a thing in my area since like 15 years ago, so it really depends on location. Also my electric bill works the same way as it would in any other state; the problem is when people buy electricity at what you might call "market price": most of the time it's cheaper, but you get fucked over sooner or later. It's kind of like that story about people's AC being controlled by the power company. They signed up for a program that explicitly set your AC higher during high-demand periods and then surprise Pikachu faced when the company did what they said they would do.

    That said, our grid is still definitely trash (as are many other things here) and I'm desperately trying to move. Basically the only thing we've got going for us is the food is amazing.

  • Starlink competition: Eutelsat tests 5G via satellite with smartphones

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  • Starlink competition: Eutelsat tests 5G via satellite with smartphones

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  • Depends on a lot of factors. Due to uncontrollable factors like small untrackable debris, more satellites is always more dangerous, but that's still an extremely small problem. If all the Starlink-style companies cooperate properly and adopt high tech solutions for collision avoidance, it'll probably be fine - space is really, really big. Additionally, the extremely low orbits are a great mitigating factor for potential parts failures; even if a satellite outright dies, losing its telemetry and maneuvering capability, it'll be gone pretty quick.

    Honestly, more than anything, I'd be concerned about the recent science showing that satellites burning up on reentry could be very significantly more damaging to our atmosphere and the ozone layer than previously thought.

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  • To be pedantic, AFAIK there's no evidence Pythagoras himself had anything to do with the censure of the discovery of irrational numbers. The common story has to do with his later followers, and could well be more fiction than fact in any case.

    Talking about creepy numbers, the ones that always fucked with me are uncomputable numbers. That shit's wack, yo

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  • "yeah man it's right above [Xe] 4f14 5d10 6s1, you can't miss it"