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Originally posted by Kano
Originally posted by beyondSciFi
well... the interesting thing is that the fastest speed that i have heard of is 169,000,000 TIMES the speed of light by a gray spaceship...
If you are going to make ridiculous comments like that one at least back them up with something (though I have no idea what). You cant just go around posting any old fiction and expect to get away with it.
[edit on 8-1-2005 by Kano]
Byrd
Light is made up of particles called photons. Photons have mass (almost NO mass, but they do have some mass.) Anything that has mass can be affected by gravity
djohnsto77
As your velocity approaches that of light, your mass increases so it needs more and more energy to increase to your speed, therefore right before reaching the speed of light, it would take an infinite amount of energy to get you to that level
Don't go off on the "Its just a theory" - because you preface everything you say with 'this is just speculation but' - see, a Theory is like a gold medal. A real 'Scientific Theory' goes through years of tweaking and testing and observing and predicting, before it gains that name. It is a idea, a speculation, a hypothesis, a theory, a law
These 'Theories' have been challenged by hundreds and thousands of people, and whether people claim that the government is against them or that it's a Scientist conspiracy, their arguments are the ones with holes, and the 'Theories' are the ones that are closest to being right.
Originally posted by Rugoolian
heres another piont
does the universe expand faster than the speed of light -proves again u can travel faster than light if it is
spooky
Originally posted by Byrd
Light is made up of particles called photons. Photons have mass (almost NO mass, but they do have some mass.) Anything that has mass can be affected by gravity.
Properties
All electromagnetic radiation, from radio waves to gamma rays, is quantised as photons: that is, the smallest amount of electromagnetic radiation that can exist is one photon whatever its wavelength, frequency, energy, or momentum. Photons are fundamental particles. Their lifetime is infinite, although they can be created and destroyed. Photons are commonly associated with visible light, which is actually only a very limited part of the electromagnetic spectrum. Photons have zero invariant mass but a definite finite energy. Because they have energy, the theory of general relativity states that they are affected by gravity, and this is confirmed by observation.
Originally posted by Byrd
Light is made up of particles called photons. Photons have mass (almost NO mass, but they do have some mass.) Anything that has mass can be affected by gravity
Originally posted by Apoc
Just a point for what it's worth. I believe faster than light travel has been proven to an extent. I apologize not remembering the exact detail but essentially there is a quantum experiment were you can add photons to one end of a long tube and measure a response to this addition at the other end faster than than light could travel the length. I'll try to find the article.
Yeah, just like Earth in it's orbit around sun... for Earth it's straight line because space itself is curved by sun's mass.
Originally posted by amantine
This is no problem. In general relativity every particle follows its geodesic, whether it has positive, negative or no mass. It just follows the straighest line through curved spacetime. Gravity still works.
Posted by Aether
I know the experiment your thinking of, but also can't remember the name.
The experiment was proven false as the scientist, or whoever tried to prove it, had made the assumption the tube was an entire SOLID structure. He did not look to see that even molecules do have space between their atoms.
Originally posted by stumason
Posted by Aether
I know the experiment your thinking of, but also can't remember the name.
The experiment was proven false as the scientist, or whoever tried to prove it, had made the assumption the tube was an entire SOLID structure. He did not look to see that even molecules do have space between their atoms.
I doubt that a physicist would do something as dumb as that. Try reading his results on the experiment before you brand the guy a moron.
Gain-assisted Superluminal Light Propogation
Originally posted by sardion2000
Shai,....tsk tsk tsk. You should really read about the whole breakthrough. The speed of light itself was not breached the only thing that exceeded the speed of light was the group velocity, its a completely different thing. Einstein said that the speed of light was absolute in a vacuum. He never said it was impossible in other mediums, just not in a vacuum. The reason one cannot go faster then light (in a vacuum) is because the faster you go, the more mass said particle gains, until finally it reaches a point of infinite mass thus it would require infinite energy to accelerate more, the only way to go FTL would be to create a field around an object that created a Negative Invariant Mass, so in this way the faster you go the more mass you LOSE. Not sure how accurate it is but it seems this is how the Star Treks "Sub Space Bubble" works. You would need a heck of alot of Negative Energy to accomlish that as well, and only the Casamir effect is know to create small amounts of energy.
Physists have been using Tachyons as a theoretical tool and it is a FTL particle. Look it up.
[edit on 15-1-2005 by sardion2000]