## Magnetic shielding perpetual motion unit,american films with greek subtitles,neutron bomb electromagnetic pulse,prepared for natural disaster videos - Review

The second rotor must be oriented on the shaft so that the forces on it tend to rotate the shaft in the same direction as the first rotor rotates.
First, lets look at the field produced by a circular ring of magnet poles of the same polarity lying in a plane. The behavior of magnets is often fascinating to observe, as they exert force on each other, and on metallic objects.
You have seen those toys with magnet pendulums moving eratically in the field of stationary magnets placed underneath. Our refrigerator magnet is likewise doing no work, niether external nor internal, as it remains at rest firmly in place and unmoving, on the refrigerator wall, supporting its own weight. This is just another example, of many, that shows that misunderstanding of basic, elementary, physics is the fuel that motivates perpetual motionists. Note that Jacob does not include the times when the stationary magnet's S pole is "seen" through one of the shield windows, and in those cases the forces retard the supposed motion of the wheel. I was hoping some computer whiz with access to software that models magnetic fields dynamically might run this through the computer and see what results. Here we need to remind ourselves, yet again, that there is no known perfect magnetic shield for static or quasi-static magnetic fields.
Due to symmetry and the vector nature of force, their combined field at the center of the circle is zero. One is tempted to think that their movement is due to their "stored" magnetic energy, and if you could design a device to turn that stored energy into useful work, you'd have achieved, if not perpetual motion, at least something very useful. The pendulum has very little friction, so the device moves for quite a long time before it comes to rest.
If you carefully measure and account for the mechanical energy you put into the system, and the mechanical energy that is dissipated into thermal energy, you find that all energy is fully accounted for.
You might do this by considering a simple "pole" model of the magnet, with poles attracting or repelling according to an inverse square law.
Most respondents have gone to great lengths to argue that the perfect magnetic shield is itself an impossible device, or to postulate how a shield distorts magnetic fields, without realizing that the shield is completely irrelevant to this version of the device. Most of these folks are unable to do force and torque analysis of systems using free-body diagrams, skills that are supposed to be learned in the first half of the first semester of an elementary physics course.
Jacob Bayless, an engineering student at the University of British Columbia, wanted to return to the question we shelved, the magnetic shield. The geometry allows this magnet to interact with the N pole of the stationary magnet at the lower right. They still must obey Newton's third law, which ensures that when a shield is acted upon by forces due other parts of the system, then the shield in turn exerts equal size and oppositely directed forces on those parts of the system. Granted, due to the additional distance, these are somewhat weaker than the ones that flash on the screen in blue. If the shield is effective in modifying the field of the rotating magnet, it does so by creating a field of its own in response to the field from the small magnet (Newton's third law), and this field of the shield is opposite in size and direction (mostly) in those regions where it is effective in "canceling" the magnet's field.
Quite a few perpetual motion enthusiasts have done this for their own inventions, and report that their idea "shows promise".

But usually these people don't set it up right, and omit some "little detail" that they didn't think important. But even if we allow such a perfect shield for the sake of analysis (just as we allow frictionless bearings), these magnetic motors using shields would not have over-unity performance. The four sand pillers are designed for this type of high energy speaker and the Q tuner at rear would enable to stand to match the resonance of the speaker. Adjustable from 20" to 28" making it very flexible and suitable for most speaker in various circumstances. Static Discharge Control could be grounded or use with Sound Mechanics DC1 Dynamic Controller. Top plate is designed with vibration feedback control and static discharge control, easy to adjust spikes, rear sand column are standard. But by granting this concession, and temporarily setting aside the problem of making such a shield, we may expose other fundamental problems with this design. Each circle contributes nearly zero field anywhere within the smaller circle, so the net field from all magnets is nearly zero anywhere within the smaller circle, and in that same plane.
Magnet machines don't extract energy from the vacuum, the ether, the fourth dimension, or any other magical realm.
If you gave the rotor a spin, pushing strongly enough, it would move with a varying speed with that same periodic variation, until frictional forces brought it to rest at one of the M positions of force equilibrium. To move it out of such a "potential well" requires exerting a force sufficient to give it additional energy equal to that of the nearby potential peak. Perpetual motion machine designers seldom even consider Newton's third law, yet it is the law of nature that dooms their efforts.
Also, no forces are indicated during the majority of time when the windows are not aimed at a stationary pole. Now if it does that, than it must also be doing the same sort of thing for the fixed (larger) magnet at lower right. The base plate of speaker stand is reinforced by diecast metal plate to improve stability..
The surprising result is that the combined field is very nearly zero anywhere in the plane, within the circle.
Even if they understand that magnet internal energy is not being extracted, they suppose that the magnets are somehow a conduit of energy stored in the vacuum, or somewhere else. You can pull the pendulum aside (giving it initial energy) and start it up again and it will run as long as before. This is the behavior one observes when attempting to make a magnet motor perpetual motion machine. According to the person who made that site the magnet isn't doing work because nothing is moving?
The clueless soul, who is so certain that I am wrong, cites the example of a person hanging from a bar, supporting his own weight. He sends a nice animated GIF showing a very simple perpetual motion machine that embodies the simplest application of the idea, stripped of the complications caused by so many magnets.

The software that I've seen which does such simulations usually has propagating computational errors that can fool you into thinking there's a "slight tendency to sustain rotational motion".
In the absence of such processes, the motion of magnets in a motor or generator device is not due to their stored magnetic energy. You can repeat this time after time, day after day, and never extract any energy stored in the magnets. Now use a geometric argument to show that the scalar potential is constant anywhere within and in the plane of a circle of poles. Perpetual motion believers call these "sticking points", and imagine that if sticky points could be eliminated by redesign, they'd achieve perpetual motion or even over-unity performance. This person is certainly expending energy in this process, since muscular effort involves muscle fibres contracting and relaxing, doing microscopic scale work within the body. On my physics demo page I have a Lenz law demo that involves dropping a strong magnet down an aluminum tube.
Such motions are entirely the result of the initial mechanical energy you give to the magnets when you place them in position relative to each other. The only energy it needs is that you gave it when you initially pulled the magnet aside, and when that is used up, it stops. Therefore the force derived from this potential must be zero anywhere in this plane and within the circle. I have noticed that the most original and ingenious designs are sent to me by people who know darn well that they can't work, and know why.
When this is done, the moving field of the magnet induces current in the aluminum which has fields which oppose the change in motion of the magnet. So this decreases the magnet's downward acceleration, and it quickly reaches a slow terminal velocity and arrives at the bottom of the tube much later than if it were in free fall the same distance. The magnetic motor they show there would not work I will say that but not for the reasons they give. If he were condemned to be hung by a noose until dead, his lifeless body would hang there just as well, doing no work at all. And, it turns out, the forces due to the fringing field are mostly such as to retard any motion of the rotor. Place the curved magnet on the outside in a fixed position and have the other magnets on the shaft.
There may be, for short duration, but the rotor will quickly find a position of stable equilibrium and stop there.

### Comments to “Magnetic shielding perpetual motion unit”

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