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Originally posted by rollin76
I thought Einsteins theory of relitivity was already debunked.Cern said sub atomic particles can travel 60 nanoseconds faster than the speed of light from expiriments with lhc.
Originally posted by rollin76
I thought Einsteins theory of relitivity was already debunked.Cern said sub atomic particles can travel 60 nanoseconds faster than the speed of light from expiriments with lhc.
Explosive astronomical evidence Nicole Bell, a senior lecturer in theoretical particle physics at the University of Melbourne in Australia, pointed to an example from astronomy that seems to refute the latest results. It comes from a star that went supernova in 1987 within the Large Magellanic Cloud galaxy. Supernovae are formed when stars explode as they get too large or reach the end of their lives. As part of the radiation emitted when they do this, they release neutrinos and light. The Kamioka Nucleon Decay Experiment detector in Japan picked up neutrinos from the explosion three hours before light from supernova event reached Earth. "However, this does not mean the neutrinos travelled faster than the speed of light. It just means that the neutrinos left the supernova first, while the light was trapped in the supernova for longer before it could get out," said Bell. If the neutrinos from the explosion actually had been travelling faster than the speed of light, like the CERN experiment suggests, they would have reached Earth years, rather than hours, before the light did, explained Bell. "In a way, you can regard the supernova observation as an independent experiment result which refutes the OPERA measurement."
To achieve this level of precision, the clock ticks from the GPS satellites must be known to an accuracy of 20-30 nanoseconds. However, because the satellites are constantly moving relative to observers on the Earth, effects predicted by the Special and General theories of Relativity must be taken into account to achieve the desired 20-30 nanosecond accuracy. Because an observer on the ground sees the satellites in motion relative to them, Special Relativity predicts that we should see their clocks ticking more slowly (see the Special Relativity lecture). Special Relativity predicts that the on-board atomic clocks on the satellites should fall behind clocks on the ground by about 7 microseconds per day because of the slower ticking rate due to the time dilation effect of their relative motion. Further, the satellites are in orbits high above the Earth, where the curvature of spacetime due to the Earth's mass is less than it is at the Earth's surface. A prediction of General Relativity is that clocks closer to a massive object will seem to tick more slowly than those located further away (see the Black Holes lecture). As such, when viewed from the surface of the Earth, the clocks on the satellites appear to be ticking faster than identical clocks on the ground. A calculation using General Relativity predicts that the clocks in each GPS satellite should get ahead of ground-based clocks by 45 microseconds per day. The combination of these two relativitic effects means that the clocks on-board each satellite should tick faster than identical clocks on the ground by about 38 microseconds per day (45-7=38)! This sounds small, but the high-precision required of the GPS system requires nanosecond accuracy, and 38 microseconds is 38,000 nanoseconds. If these effects were not properly taken into account, a navigational fix based on the GPS constellation would be false after only 2 minutes, and errors in global positions would continue to accumulate at a rate of about 10 kilometers each day! The whole system would be utterly worthless for navigation in a very short time. This kind of accumulated error is akin to measuring my location while standing on my front porch in Columbus, Ohio one day, and then making the same measurement a week later and having my GPS receiver tell me that my porch and I are currently about 5000 meters in the air somewhere over Detroit.
Originally posted by boncho
Originally posted by BBalazs
Originally posted by rollin76
I thought Einsteins theory of relitivity was already debunked.Cern said sub atomic particles can travel 60 nanoseconds faster than the speed of light from expiriments with lhc.
Well we are waiting for that event to be reobserved by a second measuring station.
Should that happen Einstein is gone within 1-2 years.
If not, who knows.
But it will be debunked sooner or latter. Believing otherwise is just religion. And arrogant at that.
It's more arrogant to think that pieces of work which are used in thousands of different areas of physics, will simply be "debunked".
In Science, things are added on to, reformulated, adjusted, etc.
You cannot simply "prove" that all Einstein's work was bunk. If certain areas need work, that's one thing, but to completely disprove absolutely everything he worked on, the universe would have to change its physics completely.
If you want to go to space, you will not use newtonian physics will you know?
That's asking the right question.
Originally posted by boncho
When was Newton debunked?
Originally posted by boncho
reply to post by BBalazs
If you want to go to space, you will not use newtonian physics will you know?
Plenty of physics from Newton still apply in space.
One of his theories was even validated on the moon... So I'm not sure what you are talking about.
Originally posted by Arbitrageur
That's asking the right question.
Originally posted by boncho
When was Newton debunked?
Because if you understand the answer to this, you will understand the most likely answer to how Einstein will get debunked the same way.
Even though Einstein made corrections to Newton's math which apply at relativistic velocities and in gravitational fields where extreme precision is needed, for the most part Newton's math is still valid for lots of everyday calculations which are not relativistic and don't require extreme precision.
If I had to guess, I would guess that Einstein's math may meet a similar fate as Newton's math. There may be further refinements possible, but it seems to work pretty well with the knowledge we have to date, just as Newton's math seemed to work pretty well for centuries until measurements became more precise and a few adjustments were needed which Einstein provided.
I think what is much more likely than Einstein being proven wrong, is finding a whole new theory of quantum gravity, which Einstein's math doesn't even address. This seems to be one of the largest gaps in physics: the lack of a quantum gravity theory which unites quantum mechanics and relativity. And once that quantum gravity theory is developed and tested, it certainly may have some impact on the theory of relativity.
In this thread, Robin argues that "every scientist and intelligent person for thousands of years had known that heavier than air flight was possible since it was an observable, inescapable fact." However, according to -- technology.newscientist.com...=specrt15_p --
"The number of scientists and engineers who confidently stated that heavier-than-air flight was impossible in the run-up to the Wright brothers' flight is too large to count. Lord Kelvin is probably the best-known. In 1895 he stated that 'heavier-than-air flying machines are impossible', only to be proved definitively wrong just eight years later."
Further, as late as January 1905 -- more than a year after the Wright Brothers' historic first flight -- Scientific American magazine expressed skepticism about whether they had flown. An article titled "The Wright Aeroplane and its Fabled Performance" states: "If such sensational and tremendously important experiments are being conducted in a not very remote part of the country, on a subject in which almost everybody feels the most profound interest, is it possible to believe that the enterprising American reporter, who, it is well known, comes down the chimney when the door is locked in his face--even if he has to scale a fifteen-story sky-scraper to do so-- would not have ascertained all about them and published them broadcast long ago?" See invention.psychology.msstate....ightSiAm1.html...
The astronomer Fred Hoyle once wrote of the herd mentality in his profession: “The trouble with conformity is that the process has strong positive feedback. The baaing starts up at a volume low enough to permit stronger-minded animals to think for themselves without too much trouble. Progressively, however, we break down one-by-one, losing all power of sensible judgement, to the point where we can do nothing but add our own baaing to the uproar, which eventually rises to such monumental proportions that nothing remains for the flock except the butcher's shop.”
Originally posted by BBalazs
Originally posted by boncho
reply to post by BBalazs
If you want to go to space, you will not use newtonian physics will you know?
Plenty of physics from Newton still apply in space.
One of his theories was even validated on the moon... So I'm not sure what you are talking about.
plenty. right.
whats your problem. is the question close to home?
YOU cannot fly to the moon with NEWTON physics. Both you and I no that for a fact.
So keep lying or move on.
But when you use one mathematics for earth (for convenience) and one for space, the earlier is practically debunked, but still in use. Just because it is in use, doesn't make it the most precise explanation.
What so hard to understand about this?
Science is a precise subject.
Sometimes we're right, and sometimes we're wrong.
Originally posted by CaptChaos
Everything that "everyone knows" has ALWAYS turned out to be wrong. What makes you think that men have been wrong about everything for thousands of years, but NOW we are right?
Originally posted by tpaine1809
I just provided you guys with tons of evidence. However, many of you are too closed minded or ignorant to be able to understand it. Brainwashing is strong. Einstein was a #ing moron who most likely stole someones ideas to pass off as his own(worked at a patent office). It's why a 4th grader is doing math to prove him wrong.
Ask a real scientist, what's the difference between mass and matter? What IS gravity? How does a permanent magnet work? They will spout gobbledygook, but finally it will come down to, "We don't know". So their THEORIES are full of holes, and obviously WRONG.
Originally posted by CaptChaos
Originally posted by tpaine1809
I just provided you guys with tons of evidence. However, many of you are too closed minded or ignorant to be able to understand it. Brainwashing is strong. Einstein was a #ing moron who most likely stole someones ideas to pass off as his own(worked at a patent office). It's why a 4th grader is doing math to prove him wrong.
Yup. Few will listen, though, or even consider changing their worldview.
Ask a real scientist, what's the difference between mass and matter? What IS gravity? How does a permanent magnet work? They will spout gobbledygook, but finally it will come down to, "We don't know". So their THEORIES are full of holes, and obviously WRONG.