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Joined 2 years ago
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Cake day: October 12th, 2023

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  • A heat pump pulls heat from the ambient air and accumulates it in the tank, unlike a conventional water heater which uses combustion or a resistance heater to generate the heat from an energy source. That is why heat pumps are generally much more efficient than other types of water Heaters, including on-demand Heaters which have a very high instantaneous load.

    Heat pumps do have their weaknesses though, specifically they lose efficiency the colder the ambient temperature is, so if you live in the arctic circle this might not be the technology for you.







  • @ooli tl/Dr "Photoncycle
    Brandtzaeg holds up a chalk-looking substance: “With this, you can store electricity 20 times as densely as in a lithium battery.”

    “We’re locking up the hydrogen molecules in a solid to basically fix them. We’re using a reversible, high-temperature fuel cell, so we’re assisting a fuel cell which both can produce hydrogen and electricity in the same cell,” he says.

    That means no need to cool the hydrogen down, making it non-flammable and giving it a higher density than an ion-lithium battery"



  • @MargotRobbie As a creative on strike I would have thought you would have felt some solidarity with the content creators who make 50% of the ad revenue you are withholding from them by blocking ads.

    I pay for premium because I can’t stand ads but I do want to support creators with a share of my subscription, even though I know it is less than they would have made if I watched the ads. I thought maybe you would feel the same given you aren’t hurting for money either.

    I know it is not a perfect system, but I do appreciate the content creators I watch enough to want them get payed. I subscribe to Nebula too for this reason, though I admit I should use it more.

    @InternetCitizen2