General Discussion > Math and Science

Energy Companies Hate This! Save Energy Using This One Weird Trick!

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aeTIos:
....You clicked, right? ;D
Watch this:



Anyway, I'm pretty sure this is an hoax of some sort, since you can't generate energy from nothing, correct me if I'm wrong (also if I'm wrong, please share the secret so I can become rich! :D)
So, how can I explain what I see in the vid? Is the lamp tricked, or is it something else? I'm puzzled.

Streetwalrus:
That topic title sounds like the weird ads that are everywhere (like anti age/big d*** tricks). :P
Edit : OK so I watched the vid. The motor in the fan can also act as a generator (it's basically the same thing but reversed). What I don't understand is how he makes the fan turn.

DJ Omnimaga:

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That immediately tells that the vid is fake. :P

alberthrocks:
Using a strong coil (is that the right term?), you can do wireless power pretty easily. He probably has one that he's not showing.

ben_g:
Well, they give a fairly accurate description about how it works, so if you have the materials, I'd say try it for yourself.


But first of all: they lit the light bulb with only one AA battery. That kind of batteries has a voltage of only 1.5V per cell, which is not nearly enough to power a standard light bulb. Even an LED needs more than 1.5V to light up, especially a blue/while one like in the video.
It is, however, possible to increase the voltage using an op-amp. This can be built-in into the light bulb and this way, a low voltage energy source (like the AA battery) will be able to power an energy-efficient type of lamp (like a LED). So, while this doesn't prove that the video is wrong, this already indicates that the lamp is certainly not a standard lamp.


There are also facts that support the video, though. Let's start with the fan: It contains a DC electric motor, which is meant to convert DC electricity into motion. This also works in reverse; when you rotate the axis of a DC electric motor, there is an electrical tension generated between the contacts of the motor. And as the lamp seems to require only a tiny bit of elektricity (see the paragraph above), this fan should be able to power it when it acts like some kind of windmill.
Then there's the fact that two opposite magnetic poles attract each other, while similar poles try to push each other away. In the video, it looks like the magnets are pushing eachother away, which in itself is physically perfectly possible.
BUT there are more than two magnets in this rig, and the magnetic fields of those other magnets will lickely distort each other, giving slightly different results than you may expect.
And while the magnetic forces push one magnet of the fan out of place, an other magnet has to take it's place. And physically speaking, the magnet taking the place of the previous one should require a force to get in it's place equal to the force that the magnet going away from the one you hold provides.


Finally, there's still the fact that magnets, once placed on a magnetic field opposite to their own, will gradually lose their magnetic force. So if it works, it won't provide you with electricity for ever.


In conclusion: It will most lickely not work, and if it does, then it will only provide a small amount of electricity, and it won't last forever. So in this case, it's actually some kind of battery. B[size=78%]ut anyway, I'd love to be wrong on this one.[/size]

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