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  • DIY experimental Redox Flow Battery kit

    Technology technology
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    C
    The roadmap defines 3 milestone batteries. The first is released, it's a benchtop device that you can relatively easily build on your own. It has an electrode side of 2 x 2cm2. It does not store any significant amount of energy. The second one is being developed right now, it has a cell the size of a small 3d printer bed (20x20cm) and will also not store practical amounts of energy. It will hopefully prove though that they are on the right track and that they can scale it up. The third battery only will store significant amounts of energy but in only due end of the year (probably later). Current Vanadium systems cost approx. 300-600$/kWh according to some random website I found. The goal of this project is to spread the knowledge about Redox Flow Batteries and in the medium term only make them commercially viable. The aniolyth and catholyth are based on the Zink-Iodine system in an aqueous solution. There are a bunch of other systems though, each with their trade offs. The anode and cathode are both graphite felt in the case of the dev kit.
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    solsangraal@lemmy.zipS
    i had assumed that PDs already had all this. either way, they've got your DL photo on file, so it's not like you weren't already in there edit: nevermind, i misunderstood and thought the AI co was giving images to the PD. this is fascist nazi bullshit
  • Meta publishes V-Jepa 2 – an AI world model

    Technology technology
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    K
    Yay more hype. Just what we needed more of, it's hype, at last
  • A World Without iPhones?

    Technology technology
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    I believe the world was a better place before smartphones started dominating everyone's attention. It has had a profound impact on how people are socializing, and not in a positive way if you ask me.
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    douglasg14b@lemmy.worldD
    Did I say that it did? No? Then why the rhetorical question for something that I never stated? Now that we're past that, I'm not sure if I think it's okay, but I at least recognize that it's normalized within society. And has been for like 70+ years now. The problem happens with how the data is used, and particularly abused. If you walk into my store, you expect that I am monitoring you. You expect that you are on camera and that your shopping patterns, like all foot traffic, are probably being analyzed and aggregated. What you buy is tracked, at least in aggregate, by default really, that's just volume tracking and prediction. Suffice to say that broad customer behavior analysis has been a thing for a couple generations now, at least. When you go to a website, why would you think that it is not keeping track of where you go and what you click on in the same manner? Now that I've stated that I do want to say that the real problems that we experience come in with how this data is misused out of what it's scope should be. And that we should have strong regulatory agencies forcing compliance of how this data is used and enforcing the right to privacy for people that want it removed.
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    C
    Domain or azure ad join is what I'm used to, but for personal machines and friends/family I do local accounts.
  • *deleted by creator*

    Technology technology
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