13 questions linked to/from Can magnets rotate infinitely?
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### Perpetual motion machine [duplicate]

I'm having trouble understanding why this machine doesn't work. Part of a ring, half of which is uniformly charged, is located between two oppositely charged plates, attracting to the negative one and ...
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### Perpetual motion machine with permanent magnets [duplicate]

I am not a physicist, but I know the first law of thermodynamic (conversation of energy), and I have connected this with an idea that came to my mind some time ago to create perpetual motion machine ...
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### Perpetual motion machine with magnets [duplicate]

I have been recently made aware of the following motor, which uses two magnets and a wheel to generate motion, and the creator of this machine claims that this motion is perpetual. Here is a YouTube ...
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### Are perpetual magnetic motors a scam? [duplicate]

I read articles and watched videos and more videos where people say they've built perpetual magnetic motors. I do not see any proof that this can work and also I do not see proof that it is wrong. I'...
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### If I spinned a fan in a vacuum it will keep spinning forever. Why can we not make energy out of it? [duplicate]

Suppose we created a vacuum and spinned a turbine inside it with some amount of force. According to newton's second law it will keep spinning as there is no air resistance, so why can we not make ...
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### Magnet motor free energy generator [duplicate]

Is it possible to run a fan without electricity? like the one show on this website? http://free-energi.com/index.php?a=2
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### How to debunk this perpetual motion machine? [duplicate]

I know it's impossible. I normally find the flaw behind the principle, but this one is hard to crack. The two wheels are geared together, so that no magnet on one wheel "backlashes" the wheel in a way ...
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### Is it possible to make a scooter that is propelled by perpetual magnets (without converting it to electricity)? [duplicate]

I am, along with two of my classmates, are planning to make a prototype of a scooter (as in slower, smaller version of a motorcycle) that is propelled by an infinitely turning magnet wheel. Not as a ...
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### Can we use magnetic energy to convert electrical energy by replacing mechanical work by a fan for concern watch the video [duplicate]

Can we use a computer fan with magnets attached to its blades, and another magnet, to generate electricity, as shown in this video? https://www.youtube.com/watch?v=jiAhiu6UqXQ
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### How does the “computer fan with magnets” generator “work”? [duplicate]

This question is in relation to the following YouTube video: https://www.youtube.com/watch?v=jiAhiu6UqXQ In it, an electrical generator is shown consisting of a CPU fan with thin magnets attached to ...
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### What is the secret of this perpetual motion machine with neodimimum magnets?

The following device is apparently based on magnetic forces only and has no visible energy source: Where is it's energy source? Full video: http://www.youtube.com/watch?v=eA0b-8pqUCk UPDATE One of ...