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New energy source? #98875
11/16/06 13:48
11/16/06 13:48
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Joozey Offline OP
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Ok I was wondering the following:

If you are in open space, zero-gravity, and spin an object around, it would spin practically forever right? So, if you take a magnet for the spinning object, and wind a reel (copper wire) around the magnet, and spin the magnet very fast, there will be electricity generated if I am correct. Wouldn't you get an 'infinite' amount of power? I don't know how much power this can give, but I think this would be a very good replacement for the expensive and vulnerable solar panels used for satelites and spaceships.


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Re: New energy source? [Re: Joozey] #98876
11/16/06 14:13
11/16/06 14:13
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fogman Offline
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The magnetical (is that right spelled?) and the electrical field would stop the ensemble. Because you loose the friction in space, but not the fundamental physics.
The energy will be transformed to other forms. So after all there won´t be any kinematic energy.

I should not try to be a smart ass in english...

However you are right that this system can save a lot of energy. Take for example vehicles like these:
http://en.wikipedia.org/wiki/Gyrobus


no science involved
Re: New energy source? [Re: fogman] #98877
11/16/06 14:31
11/16/06 14:31
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Joozey Offline OP
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So they have much more benefits than solar panels
Maybe a good thing to propose to NASA


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Re: New energy source? [Re: Joozey] #98878
11/16/06 15:55
11/16/06 15:55
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Damocles Offline
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The spinning thing would have a "magnetic" frition, just like
any Electic-Dynamo.
So it would rotate as fast as the the outer ring after a while.

You cant create energy out of nothing, just convert it.
(except you find a way to create matter and antimatter out of nothing and seperate them )

Re: New energy source? [Re: Damocles] #98879
11/16/06 16:04
11/16/06 16:04
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Joozey Offline OP
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Well maybe if you can drain energy from gravity somehow, like throw a magnet in an orbit around the earth, through a big reel tunnel

I know you can not create energy out of nothing, but maybe you can with a starting amount of energy create more and efficient energy with the use of nature, like magnetfields, heat, light and gravity. But yeah since magnetfields give friction to the flying object, you will still loose energy, I understand.


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Re: New energy source? [Re: Joozey] #98880
11/16/06 19:33
11/16/06 19:33
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The magnet in the orbit will be stopped as well.

Energie is simple. The energie you put in you will get out. Now remember that!

If you raise a stone for two meters. You put potential energie into the stone. When you release the stone, he will produce the same amount energy when he drops and collides with the ground (position change (movement), heat and deforming) as you put into lifting the stone (you need also energie to bring your arm into that position).


:L
Re: New energy source? [Re: EX Citer] #98881
11/16/06 20:13
11/16/06 20:13
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Joozey Offline OP
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But there are most certainly other ways to get energy, by using natures forces, I was searching for one, but I didn't realise magnet fields give friction as well. Solar panels, antimatter, waterforce, windforce, you name it, there are plenty things that already exist which gain energy other than energy only you put in. They just might not be the most efficient ways, and maybe there's a better one.


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Re: New energy source? [Re: Joozey] #98882
11/16/06 21:09
11/16/06 21:09
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Damocles Offline
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If you have 2 black holes rotating close to each other around each other,
there might be the possibility, that (by quantum effects)
engergy is beeing produced out of nothing!,
This is by seperating antimappter and matter quants.
These quants can emerge out of nothing, but anihilate right after they emerged.
The gravitational field could seperate this matter-antimatter couple,
creating energy(mass) out of nothing.

i am not totally shure about this thing,
but it would be the only way to create energy out of nothing,

Other ways of creating perpetuum-mobile do not exist.
it is all about transforming energy/mass to other forms.

The only thing that created big amounts of energy out of "nothing"
i know was the big bang.

A good way to produce energy is nuclear fusion,
melting hydrogen into helium.
Probably the energy source for the 2nd half og the 21rst centauri.

Re: New energy source? [Re: Damocles] #98883
11/16/06 22:15
11/16/06 22:15
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AlbertoT Offline
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The magnetic field generated by the current induce parassite currents into the spinning magnet with the result of slowing down the magnet
By the way, this is the reason why the magnet are made of thin slices rather than a whole block
You nust try to open these circuits inside the magnet otherwise no electrical engine can work

Re: New energy source? [Re: Joozey] #98884
11/16/06 22:27
11/16/06 22:27
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fogman Offline
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Quote:

But there are most certainly other ways to get energy, by using natures forces, I was searching for one, but I didn't realise magnet fields give friction as well. Solar panels, antimatter, waterforce, windforce, you name it, there are plenty things that already exist which gain energy other than energy only you put in. They just might not be the most efficient ways, and maybe there's a better one.





Solar panels, water + windforce get there energy from, as you´ve said, nature forces. But where come these forces from? Not out of nothing.
The sun for example will be burnt out in a few million years. Then there won´t be any energy transformed (not generated, because the sun don´t generate energy!) by the sun.


no science involved
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