Single photons cannot travel faster than the speed of light, our results bring a closure to the debate on the true speed of information carried by a single photon.
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always steveyking steveyos01-08-2014
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01-08-2014
Actually the speed of light is only constant locally; it is possible to violate the speed of light in space that is dilated due to the presence of mass.
If you took a super duper incredibly long stick (teacher holds up yard stick and proceeds to act out his example) that was several times longer than the diameter of the sun and put it through the exact center of the sun, that stick would appear shorter than it would if you stuck it alongside the sun. This is because the density of the sun's mass increases toward the center, and due to the dilating effect mass has on spacetime, there is literally "more space" toward the center of the sun.
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01-08-2014
you tak alot of shit and pronounce things which are obviuos. all of us have read this shit or watched specials hoted by stephen hawking
the only thing that can make things seem like they're moving faster than the speed of light is space expanding. the further you look out into space you can see things moving away from us faster and faster and it does become faster than the speed of light and that's dark energy expanding the fabric of space
now shut up. photons cannot go faster than c. tachyons are theorized to do so, but they haven't been discoverd
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01-08-2014
No I don't, no you don't, and no they don't. You may have heard and caught snippets of these topics in physics but never actually put too much thought into what they meant or were even talking about.
This kid I knew in high school who always sort of acted like a smarmy intellectual posted some dumb smug nonsense on facebook about the number pi, and how it was inherent in the universe around us and beautiful and posted some dumb image with a bunch of colors and the symbol pi and awww ain't that inspiring. I responded "but do the Euclidean dimensions actually even exist?" and explained that in reality, a sphere having mass will have a diameter that is longer than what you'd expect if you took its circumference divided by pi, and even then an object's location can never be known with arbitrary precision and things like diameter or circumference can't ever be accurately measured or observed in reality, and even less so for numbers like pi. And then he responded like a cocky smartass and said the theory I was talking about I didn't know anything about, but I linked him to this http://www.johnstonsarchive.net/relativity/stcurve.pdf
it's actually the other way around and the common perception of the theory of relativity is something the general public still hasn't been able to wrap their heads around, and the most you'll hear about it on TV is some highly watered down special hosted by morgan freeman on the science channel or for explaining a cheesy plot device in poorly written science fiction.
An actual grasp on relativity is a book-length subject, and getting the watered down briefing about it from Dr Who or whoever isn't the same thing as actually reading an early 20th century book on physics or something that was actually written by Einstein himself and the "ahah!" moment you experience when you suddenly "get it" and blow your own mind.Last edited by Plug Drugs; 01-08-2014 at 04:04 AM.
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01-08-2014
i didn't read any of that, but let me tell you that i've read about this stuff and took advanced physics and math courses courses in school and acctually did well. alot of what you talk about is theory and any of what i've bothered to read has either missed the point or is outright wrong in understanding the implications of that theory. i guess there's no way to make you realize that you're simply not right in most of what you say.
re: chemistry which you think yuo're a brain at, the only guys i'd actually pay attention to are bob hugs and doli
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01-09-2014
Okay, which facts were wrong though? When I was trying to communicate it in more general terms, I can see why you'd think of that as inaccurate, but that's kind of the thing isn't it, you can't put those kind of things in more general terms and still be giving a fully accurate explanation.
And doli knows a lot but he isn't keen on some of the more arbitrary facts that would be practical for say, a drug user to know. Half-lives, which enzyme metabolizes it, bioavailability. It's not difficult to find that information but the thing is the people that should don't ever bother to learn it, and for most people it'd be a foreign language.
In tinychat once he brought out a bunch of pill bottles from his med cabinet and started holding them up like flash cards to test me out "what's this plug drugs? what's this?". Where as he'd say "This is a second generation antihistamine", I'd say "an H1 inverse agonist"Last edited by Plug Drugs; 01-09-2014 at 01:58 PM.
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