• SolidGrue@lemmy.world
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    3 个月前

    This just in, scientists unveil “a loop of wire”

    I keed, I keed. Glad to see materials science improving technologies we have for new applications.

  • prole@beehaw.org
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    3 个月前

    Ooooohhh can’t wait to see the idiotic conspiracy theories about this…

    Also, just more shit for crystal mommies with no scientific literacy to use to try to explain “energy” to me.

    • qjkxbmwvz@startrek.website
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      3 个月前

      Yeah, you can also find “crystal radio” kits — radio receivers that use only the received RF to produce sound (no external power source).

      • nondescripthandle@lemmy.dbzer0.com
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        3 个月前

        The article talks a lot about their rectifier and im guessing that’s where the ‘breakthrough’ is, but still I feel this is like too many of these articles where its a lot of hype for a little progress.

      • Sonori@beehaw.org
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        3 个月前

        This is also how passive RFID tags work, the tag harvests just enough energy from the scanning frequency to boot up a microchip and respond with its ID number.

  • BellaDonna@mujico.org
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    3 个月前

    Uhm, how is this fundamentally different from a crystal radio? I’ve built this exact concept from a science kit, and this is a concept that’s been proven for decades.

    • IrritableOcelot@beehaw.org
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      3 个月前

      It’s…not. The original press release is typically hype-y, but the part that toms hardware article really mangled is that they didnt find a way to do it, they found a new design for a device to do it.

  • smeeps@lemmy.mtate.me.uk
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    3 个月前

    Wonder if this can be used to power ZigBee smart sensors. My current battery ones last about 2 years on a coin cell

  • abcdqfr@lemmy.world
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    3 个月前

    Do you need to hazardously close to a tower for good stability? Fascinating for the future of wireless power!

    • MotoAsh@lemmy.world
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      3 个月前

      It’s almost certainly going to be milliamps or microamps unless you’re inches from something. This isn’t for cellphones and the like but for remote sensors and the like. I also bet they’ll at least have to have a capacitor to store up extra charge for chirping back only sometimes.