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  1. #16
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    This machine is getting pretty close.
    https://www.youtube.com/watch?v=tlx2PgESXhs

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  3. #17
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  4. #18
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    Quote Originally Posted by woodPixel View Post
    Notice how it's cut and edited at 0:51? Automatically suspicious.

    Also, he claims that it's gravity powered, but that's rubbish; a ball resting on 2 angled discs will just stay where it is under gravity.

    I know it's a fun thought experiment, but it's really an open and shut case; perpetual motion is impossible because physics.

  5. #19
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    I reckon anything is possible. But when I see metal on metal contact or the use of magnets. I instantly think of the lifespan of the magnets or the wear and tear via metal on metal. 100,000 years of constant motion = pretty good, but not perpetual.

  6. #20
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    Quote Originally Posted by Kuffy View Post
    I reckon anything is possible.
    Unless everything we know about the way the universe works is wrong, some things are genuinely impossible. True perpetual motion is one of them

  7. #21
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    I saw somewhere recently a series of devices that gerated perpetual motion (not factoring evential wear and tear)

    Dave TTC
    Turning Wood Into Art

  8. #22
    rrich Guest

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    Quote Originally Posted by Uncle Al View Post
    ... but imagine a vacuum jar like they had in science labs at school, with two magnets sort of levitating, and a spinning disc. No friction from air, no friction from items touching each other, just a minor problem in working out how to get the disc to spin. Maybe the disc would be one of the magnets?
    Alan...
    The initial problem is that magnetism is not perpetual.

    The next problem is that the machine needs to produce more energy than it consumes to keep running.

    Finally, all machines tend to deteriorate.

    So, IF and a big IF one could use the extra energy to power a machine that repairs the perpetual machine and then a machine that repairs the machine that repairs the perpetual machine.

  9. #23
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    Quote Originally Posted by rrich View Post
    The next problem is that the machine needs to produce more energy than it consumes to keep running.
    Only if you want to use it for work; you could (assuming the total elimination of all energy loss via heat/friction, which is impossible) have it as an ornament, just not as a power source.

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