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Cake day: June 2nd, 2023

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  • Oh I didn’t thing about access points. With something like ZigBee, the switches add to the network range. But for WiFi, each switch will need to be in range of an access point. We have pretty decent coverage but the benefit of using ZigBee is other devices can take advantage of the extended network.

    Others have talked about Zwave, I’m not sure which camp they sit in.








  • Dave@lemmy.nztoxkcd@lemmy.worldxkcd #2948: Electric vs Gas
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    11 days ago

    I agree completely. I am not trying to argue that everyone can or should go out and buy an EV.

    I was specifically addressing the points that seemed to be claiming EVs are not the right direction for cars or engines to be advancing towarda, by pointing out that the barriers aren’t blocking all paths.


  • Dave@lemmy.nztoxkcd@lemmy.worldxkcd #2948: Electric vs Gas
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    11 days ago

    My point is that we should be focused on the outcomes we want. It isn’t really important that fossil fuels are a lot more energy dense if the electric cars can travel twice as far. They can’t, but I’d be willing to bet we will get to that point with fossil fuels still being more energy dense.

    But also as I mentioned in the comment you relied to, Nio have a vast network of battery swap stations where you can get a full charge in a couple of minutes, the same as filling up at a gas station.

    The price of EVs are a problem, and not the only problem, but my point was that the specific things mentioned don’t stop us having better EVs than ICEs, because we will get the same outcome in a different way.


  • Dave@lemmy.nztoxkcd@lemmy.worldxkcd #2948: Electric vs Gas
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    11 days ago

    Hey mate I’m just here for some friendly discussion, I’m not here to argue until I’m blue in the face.

    There is a difference between your above points and the original claim.

    Fuel density doesn’t matter, what matters is how far you can drive on a charge.

    Charge time doesn’t matter if you can swap a battery in 3 minutes instead of waiting to charge.

    For your new point of rare earth materials, this isn’t related to the original energy density or charge time points, but high density batteries that don’t use rare earth metals already exist, the problem is cost. That will change over time.

    Also you’re ignoring that fossil fuels are also dug out of the ground.