I just came across this video on Youtube, maybe someone can explain what's going on here. Seems to be a simple motor powered entirely by magnetic fields, the interesting thing is after a little kick start by the operator this motor accelerates to several thousand RPM and holds that speed.

The video (http://www.youtube.com/watch?v=PIvZJ9xGutI)

So what's going on in this device? Has this been done before?

There cannot be a perpetual motion machine.

Given the constant dimensions of the object and no mass lost, an angular acceleration necessirily requires energy input.

That is,

E = \frac{1}{2}I{\omega}^2

Not sure what's going on there, or how this is different from any other rare earth magnet electric motor.

I think its a scam of sorts.

I just came across this video on Youtube, maybe someone can explain what's going on here. Seems to be a simple motor powered entirely by magnetic fields, the interesting thing is after a little kick start by the operator this motor accelerates to several thousand RPM and holds that speed.

The video (http://www.youtube.com/watch?v=PIvZJ9xGutI)

So what's going on in this device? Has this been done before?

I'm not sure what this 'motor' is supposed to prove. I didn't hear him make any claims about NOT using electrical power, though I might have missed it.

There's no such thing as a purely "magnetic motor." All such devices are either entirely electromagnetic or a hybrid of magnetic and electromagnetic. And in either case require an external source of power to keep them running.

I am not speaking about this example specifically, but a purely magnetic motor should be possible. It is not a perpetual motion machine, because a force is applied constantly, via the magnets. Thereby, no laws of physics are violated, because the motor would be converting the linear attraction/repulsion of magnets into movement around an axle.

I am not speaking about this example specifically, but a purely magnetic motor should be possible. It is not a perpetual motion machine, because a force is applied constantly, via the magnets. Thereby, no laws of physics are violated, because the motor would be converting the linear attraction/repulsion of magnets into movement around an axle.

Sorry, but there can be no such thing. The unbalanced opposing fields cannot remain unbalanced but a short time. The device would quickly reach a point of equilibrium - all forces balanced - and stop.

But you are welcome to attempt to design one - and in the process waste 50 years of your life just as hundreds before you did who also believed it was possible.

And yes, it most certainly would violate some very basic laws of physics - one being that energy cannot simply be created form nothing, and you would need a constant supply of energy simply to overcome friction between the moving and stationary parts. And that's the main thing that the "inventors" never seem to understand. One CANNOT beat entropy, no matter how much they dream.