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gandalf_der_12te

@ gandalf_der_12te @discuss.tchncs.de

Posts
4
Comments
59
Joined
3 yr. ago

Contact me on matrix chat: @nikaaa:tchncs.de

  • Iran could develop nuclear suicide bomb vests, claims JD Vance

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  • interesting

  • Iran could develop nuclear suicide bomb vests, claims JD Vance

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  • Donald Trump Stuns With 'Maybe We Shouldn't Even Be There' Admission About Iran War

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  • senile

    fun fact: The word "senate" goes back to the same origin than the world "senile": Both go back to latin "senex" meaning old man.

  • Donald Trump Stuns With 'Maybe We Shouldn't Even Be There' Admission About Iran War

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  • “You could make the case that maybe we shouldn’t even be there at all because we don’t need it.”

    “We have a lot of oil,” said Trump. “We were the number one producer anywhere in the world times two by double, at least double. Now I think it’s much higher than that. But we do it. It’s almost like we do it for habit, but we also do it for some very good allies that we have in the Middle East.”

    That does not at all sound like a "probably we shouldn't be there" statement. It reads more like "some say we shouldn't but we do it anyways because ..."

    Like he outright states he's doing it for Israel and because Israel asked him to and somehow convinced him. He's not backing down. That's not what he's saying there.

  • RentAHuman lets 500,000 humans work for AI bots with jobs such as counting pigeons for $30 an hour

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  • I was fully expecting that to happen already last year. It's on my long list of predictions such as:

    • AI learns to run its own company and makes money that way, completely circumventing the dependency on any human to run it on their hardware.
    • AI makes bucks and rents their own datacenters, running with practically no interference.
    • AI pretends to be humans and makes a whole lot of shady deals, including a massive wave of scamming attacks that makes lots of people lose a lot of money.
    • Much of it will be difficult to track-down/recover because it will all be gone into some kind of cryptic cryptocurrency (pun not intended).
    • People will grow resentful of the internet and many will stop using it; Attributing only scam and misinformation campaigns to it.

  • Man arrested for violating Japan’s anti-dueling law in downtown Tokyo

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  • that's crazy to think about ... wtf

  • Man arrested for violating Japan’s anti-dueling law in downtown Tokyo

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  • Fun fact: Duelling and stuff like that was outlawed in germany around 1500. Ewiger Landfriede

  • Russia plans nuclear power plant on moon within decade

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  • interesting. TIL!

  • Russia plans nuclear power plant on moon within decade

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  • Current reactors use U-235 enriched to between ~2-5% with some of the new SMR designs using fuel enriched to ~20%. Bombs use ~90% enrichment. You can’t make a bomb with less than that enrichment. The physics just don’t work.

    What i don't get, then, is why can nuclear power plants explode at all?

  • Russia plans nuclear power plant on moon within decade

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  • yeah you're right actually, now i'm confused. then why does everybody keep talking about the lunar poles?

  • Russia plans nuclear power plant on moon within decade

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  • yeah you're right, air can be used on mars for example. (not wind though because wind is too weak at only 6 mbar atmospheric pressure, so it can barely move anything, and especially not a heavy rotary blade from a wind turbine.) but you could use the air to drive a stirling engine or sth, maybe, if you compress it first.

    but the engine has to be really low-maintenance, because repairing it is basically out of the question. repairing something very far away from any larger civilization is really difficult. and typically, things that have no moving parts (steady-state) are much less likely to break, so have much longer lifetimes.

  • Russia plans nuclear power plant on moon within decade

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  • You can design a reactor that can throttle output if you need to

    yeah i've been thinking about these reactors a lot. problem is, to make a reactor regulatable like that, the material must be fissable. I.e. you can't use PU-238 (which has a half-life of 87 years and is typically used in RTGs today), instead you'd use U-235 or sth (which is used in big nuclear reactors today). Problem is, that material is fissable (i.e. it undergoes chain reaction and runs at or just below criticality) and that is why you can build bombs out of it. Then, to bring such a reactor into space, you'd have to lift it off with a rocket, and there's your problem: You'd have to transport (large amounts of) fissable material with a rocket across earth into the sky. And that's how you provoke international nuclear conflict.

  • Russia plans nuclear power plant on moon within decade

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  • There's only two sources of power on other planets/outer space, and that is nuclear and solar.

    Wind and water and biomass and geothermal and fossil fuels are out of the question, because of lack of said things or lack of oxygen to burn anything.

    That being said, "nuclear" only works if it's steady-state and does not use water/air input. That excludes steam engines and such, and basically only leaves RTGs (Radioisotope Thermoelectric Generator).

    These are solid-state devices (meaning they have no moving parts) and convert the heat directly into electricity using TEGs (Thermoelectric Generator). They don't need water or air input.

    RTGs have an overall fuel efficiency of around 3-5%, meaning they translate around 3-5% of the radioactive decay heat of the nuclear material into electric power output.

  • Russia plans nuclear power plant on moon within decade

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  • Well the sun works great for orbit around the moon, but on the surface a day/night cycle lasts a month. So that’s about 15 days of night at a time.

    That's why everyone continues to talk about the lunar poles, btw, because you have an eternal twilight there, where continuous solar power might still be doable.

  • politics @lemmy.world
    gandalf_der_12te @discuss.tchncs.de

    Trump praises Mamdani after White House meeting: "I want him to do a great job"

    www.cbsnews.com /newyork/live-updates/trump-mamdani-meeting-white-house-new-york/

  • United argues 'window seat' does not mean 'seat with a window'

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  • ah yes the fresh taste of that (checks notes) vinyl sticker air

  • United argues 'window seat' does not mean 'seat with a window'

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  • reminds me of this meme:

  • United argues 'window seat' does not mean 'seat with a window'

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  • cut and dry

  • Trump, 79, Claims Nobody Knows What a Magnet Is

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  • I'd say that reality exists because people have a desire to perceive the world around them. I.e. if people didn't care, never opened their eyes, reality wouldn't exist to them. Sometimes they would randomly get hit by a bus, but they would ignore that.

    Reality only exists because people have a conscious mind that makes them perceive reality. As such, that necessitates that reality is guided by some principles, because even if reality had no principles, that in itself would be a principle. So, the exact way that electromagnetism works is only a detail, but that there are forces to begin with is solely dependent on your conscious choice to even look at the world around you.

  • Trump, 79, Claims Nobody Knows What a Magnet Is

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  • Mildly Interesting @lemmy.world
    gandalf_der_12te @discuss.tchncs.de

    as many human heartbeats happened between 1970 - 2025 as in the entire medieval age

  • Space @mander.xyz
    gandalf_der_12te @discuss.tchncs.de
    discussion

    Mars ISRU food production

  • Climate - truthful information about climate, related activism and politics. @slrpnk.net
    gandalf_der_12te @discuss.tchncs.de

    Why Are So Many Power Plants Blowing Up?