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ultimateplay91


Spacefaring Sporeling

Joined: 09/17/2009 20:47:20
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Photons are light (and every other form electromagnetic radiation).

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grindstone


Civilized Sporeon

Joined: 02/08/2010 20:34:03
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ultimateplay91 wrote:Photons are light (and every other form electromagnetic radiation).


Not quite. Photons are light particles that follow electromagnetic waves. Only together, if at the right frequency, do they create visible light.

EpicSlayerGirl


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Joined: 05/02/2012 20:54:20
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If you've seen Into the Universe with Stephen Hawking, he says the laws of nature prevent you from going faster than the speed of light by SLOWING DOWN TIME. Effectively time traveling if you go near the speed of light.(so much that a week at nearly the speed of light is 100 years everywhere else) Maybe it was a glitch like this that made the scientists THINK the neutrinos were going faster than light. Also, the neutrinos would be going at a much slower time rate than us. TIME TRAVEL YAY!!!!!!!

This message was edited 1 time. Last update was at 07/22/2012 02:22:00


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SporeMasterSlime


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Joined: 11/11/2009 18:27:38
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If you've seen Into the Universe with Stephen Hawking, he says the laws of nature prevent you from going faster than the speed of light by SLOWING DOWN TIME. Effectively time traveling if you go near the speed of light.


It could be said that if you travel at speeds near the speed of light you *are* time travelling, in the future though and NOT in the past. Of course that's just a figure of speech (you're always travelling into the future anyway). Generally if t is the elapsed time as measured by an (let's say immobile) observer and t' the time you think has passed, then it's t'= t/γ where γ is a value that tends to infinity when at speeds nearing the speed of light. So yes for someone travelling near the speed of light less time has passed (this is only felt at speeds comparable to the speed of light though), but it can't go backwards.

This message was edited 4 times. Last update was at 07/22/2012 13:25:36


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God-mod


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Joined: 03/23/2012 16:23:10
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This is not a scientific theory or anything, but what if you could make an object stop moving entirely, stop the electrons from spinning, everything, no motion whatsoever, not even on the scale of a single quark moving. What would happen?
(Yes, I know that it is impossible for an objet not to move AT ALL)

SporeMasterSlime


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Joined: 11/11/2009 18:27:38
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God-mod wrote:This is not a scientific theory or anything, but what if you could make an object stop moving entirely, stop the electrons from spinning, everything, no motion whatsoever, not even on the scale of a single quark moving. What would happen?
(Yes, I know that it is impossible for an objet not to move AT ALL)


This question is meaningless cause there's no way to measure anything's speed with infinite accuracy. Not because we don't have the technology or anything but because it's actually impossible. I don't know if what you described is in theory possible. Also, why would anything have to happen?

This message was edited 5 times. Last update was at 07/22/2012 14:16:15


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God-mod


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Well, it’s the opposite of traveling faster than light, and if the space time matrix spun around a stationary object, would it get wound up, like what happens to a table cloth when you spin it on a table and there’s a heavy vase sitting on it? It’s not really a question about measuring it or proving it, it’s more of a 'What if' kind of thing.

SporeMasterSlyth33


Civilized Sporeon

Joined: 08/05/2011 16:32:48
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In your posts, editin' your wordz!

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God-mod wrote:This is not a scientific theory or anything, but what if you could make an object stop moving entirely, stop the electrons from spinning, everything, no motion whatsoever, not even on the scale of a single quark moving. What would happen?
(Yes, I know that it is impossible for an objet not to move AT ALL)


It is not possible, electrons are attracted to protons, if they stop moving they fall inward and collide with the nucleus. The resulting electron capture generates neutral particles instead of charged ones.


On a more fundamental level, shorter wavelengths correspond to higher energies. Since electrons exhibit wave-particle behavior it would take an infinite amount of energy to make the wavelength zero for any time greater than zero (instantaneous localization of a particle is possible, but this is a "snapshot" of the particle, it does not remain in that location for any length of time)


Anyway...

According to the Lorentz time dilation equation as you approach the speed of light your local time slows down. If you hit light speed you achieve a scenario where local time is stopped. Since acceleration is dV/dt, you can have no change in velocity if your time "value" cannot change. That means that whatever means you used to reach relativistic speed becomes less effective as you approach light speed, and has zero force at light speed. Once you hit the speed of light the rest of your journey passes instantaneously and at a constant speed. You cannot change direction or velocity unless you happen to hit a region where spacetime is heavily distorted and changes it for you.

The equation returns an imaginary number when velocity exceeds the speed of light. This is not a negative number and does not imply any sort of time travel. Since no object or particle has ever been observed to exceed the speed of light the significance of a negative time dilation value is unknown. (if it has any meaning at all).

This is of course ignoring the effect of relativistic speed on mass, which also imply infinite energy consumption (due to infinite mass) as you approach light speed with a mass greater than zero.

 
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