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cyd

@ cyd @lemmy.world

Posts
9
Comments
326
Joined
3 yr. ago

  • China set to lose 60 percent of population by century's end

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  • Hardly the only two countries. In the US it's only masked by immigrants. Fertility is even coming down in most parts of the third world.

    It's mainly attributable to women's improved education, career prospects, and access to contraception, plus declining infant mortality. Every single one of these factors is a good thing, but the combination of them will lead to a global demographic crunch over the next century.

  • Nuclear Fusion World Record Smashed in Major Achievement

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  • Big oil didn't stop solar panels from becoming a working technology. Sometimes a technology is just hard, there's no need for a conspiracy.

  • Nuclear Fusion World Record Smashed in Major Achievement

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  • NIF was able to produce about 3MJ of energy with about 2MJ of input

    Worth noting that the 2 MJ of input only counts the heat directly absorbed by the pellet. It ignores the part of the laser beam that doesn't hit the pellet, the part that gets reflected, etc., not to mention the energy needed to power all the rest of the apparatus. The lasers alone consume over 300 MJ of energy to operate.

  • Clean energy could be 'closer than ever' after a nuclear fusion machine smashed a record

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  • In this context, the "energy that they put in" only counts the heating of the plasma. It does not include the energy needed to run the rest of the reactor, like the magnets that trap the plasma. If you count those other energy needs, about an order of magnitude improvement is still required. Possibly more, if we have to extract the energy (an incredibly hard problem that's barely been scratched so far).

    So yeah, it's nice to see the progress, but the road ahead is still a very long one.

  • Clean energy could be 'closer than ever' after a nuclear fusion machine smashed a record

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  • Needs to be taken with a grain of salt. Actually capturing the heat for electricity, and getting more electricity out of it than required to run the reactor itself, remain massive open questions that this generation of research reactors does not even begin to tackle.

  • How did China get so good at chips and AI? Congressional investigation blames American venture capitalists

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  • blames American venture capitalists

    Me personally, I think the Chinese had something to do with it.

  • Deleted

    Pilotless drones being tested in Antarctica for use in scientific research

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  • Pilotless drones

    Guess this is dating me, but everytime I see this I flash back to the classic rant...

    Mr. Howe! Is there any other kind of drone? You, you tell me right now. Is there any other kind of drone, drone, other than a pilotless drone? Isn’t that what a drone is, an unmanned aircraft? Don't you check these things? Don't you supervise the subeditors who write these headlines? Don't you do your job?!?

  • US begins strikes on militias in Iraq and Syria, retaliating for fatal drone attack, officials tell AP

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  • Do they have permission from the Iraqi government, which is after all supposed to be a friendly government? Or is this another case of sovereignty not mattering when it's inconvenient for the US? (Won't even bother asking about Syria.)

  • How can open source hardware be a movement if the raw materials still have to be mined and factory produced?

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  • Also, most of the people in this movement aren't even vegan. Isn't that completely disqualifying?!?

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    The Chinese scientists leaving top US universities to take up high-profile roles in China, boosting Beijing in its race for global talent

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  • “China can draw on a talent pool of 1.3 billion people, but the United States can draw on a talent pool of 7 billion and recombine them in a diverse culture that enhances creativity in a way that ethnic Han nationalism cannot.”

    -- Lee Kuan Yew

    If anything, the repressed and defensive China of Xi Jinping is falling ever further behind.

  • Swedish PM says won't negotiate with Hungary on NATO bid

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  • After all the angst and drama over whether Turkey will allow Sweden into NATO, it'd be hilarious if the accession gets sunk by Hungary.

    Like, during the many months other NATO members were pressuring Turkey, no one thought they should worry about Hungary too?

  • Training Generative AI Models on Copyrighted Works Is Fair Use - Change My Mind

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  • I didn't know it was already settled law. But in that case, why are models like llama still released under licenses? If they are non-copyrightable, licenses should be unenforceable and therefore irrelevant.

  • Moment innocent civilian brandishing white flag in Gaza 'safe zone' is shot dead in the street

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  • To avoid this, Gazan civilians who are out in public should wear black clothing and masks, and move tactically between points of cover.

  • Training Generative AI Models on Copyrighted Works Is Fair Use - Change My Mind

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  • Agreed. I would also argue that trained model weights are not copyrightable.

  • Budanov on counter-offensive: Not everything is good, but it's not a disaster either / The New Voice of Ukraine

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  • Missed opportunity for "not great, not terrible".

  • Germany, Once a Powerhouse, Is at an Economic ‘Standstill’

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  • Steel is a complex manufactured intermediate good, not just a raw material that you dig out of the ground. Steel products and production methods evolved rapidly over the course of the 20th century, and the downfall of British steel was because they couldn't/wouldn't upgrade their tech and how their industry was organized.

  • Germany, Once a Powerhouse, Is at an Economic ‘Standstill’

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  • The same could have once been said of the British steel industry...

  • ChatGPT's new AI store is struggling to keep a lid on all the AI girlfriends

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  • Problem is, there isn't a way to open up the black boxes. It's the AI explainability problem. Even if you have the model weights, you can't predict what they will do without running the model, and you can't definitively verify that the model was trained as the model maker claimed.

  • ChatGPT's new AI store is struggling to keep a lid on all the AI girlfriends

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  • Liability. Imagine an AI girlfriend who slowly earns your affection, then at some point manipulates you into sending bitcoins to a prespecified wallet set up by the model maker. Because models are black boxes, there is no way to verify by direct inspection that an AI hasn't been trained with an ulterior agenda (the "execute order 66" problem).