Speed barrier broken

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Post Post #50 (ISO) » Sun Sep 25, 2011 5:52 pm

Post by Otolia »

In post 48, Yosarian2 wrote:Is the claim that all neutrinos travel faster then light, or one specific type does, or the neutrinos created in a certain place were, or what? What was this experiment measuring, exactly? I'm still kind of fuzzy on the details.

It is used to study neutrinos flavor oscillations. Nothing too difficult on a theoretical level (meaning a graduate physics student can solve the equations with a little bit help)

PS : Is it me or my post that mykonian quoted disappeared ?
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Post Post #51 (ISO) » Sun Sep 25, 2011 6:57 pm

Post by implosion »

In post 8, Twistedspoon wrote:just when i ggt interested in quatum and special relativity and start reading books on it (try the elegant universe by Brain Greene) everything I know becomes wrong...

sigh...

it
shouldn't
be possible

dude

I HAVE TO READ THAT BOOK FOR PHYSICS C

I've been reading it the past few weeks... everyone in my class kind of raged when we saw this.
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Post Post #52 (ISO) » Sun Sep 25, 2011 7:01 pm

Post by implosion »

Xdammno wrote:Tide goes in, tide goes out. You can't explain that.

You win the thread.
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Post Post #53 (ISO) » Sun Sep 25, 2011 8:05 pm

Post by Twistedspoon »

In post 51, implosion wrote:
In post 8, Twistedspoon wrote:just when i ggt interested in quatum and special relativity and start reading books on it (try the elegant universe by Brain Greene) everything I know becomes wrong...

sigh...

it
shouldn't
be possible

dude

I HAVE TO READ THAT BOOK FOR PHYSICS C

I've been reading it the past few weeks... everyone in my class kind of raged when we saw this.

it's interesting isn't it?

of course, I'm choosing to read it so maybe I'm slightly more favourable :p
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Post Post #54 (ISO) » Sun Sep 25, 2011 10:02 pm

Post by mykonian »

In post 46, Yosarian2 wrote:
In post 25, mykonian wrote:
In post 24, Otolia wrote:1. The statement of restrained relativity "Nothing travels faster than light" is false. The true statement is "No information travels faster than light".


You are aware that the second statement includes the first, right?


By the way, that is not quite true; there are some things in quantum physcis that happen instantly at great distances ("spooky action at a distance" to quote Einsten), like the collapsing of the wave-form of one particle when a different particle is observed, but they can not be used to carry information.


yeah, otolia mentioned that. Which was nice, I had forgotten about it, but I finally understand the notation now so I actually have a clue what it is about.

In post 50, Otolia wrote:PS : Is it me or my post that mykonian quoted disappeared ?


It's still there.
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Post Post #55 (ISO) » Sun Sep 25, 2011 10:49 pm

Post by springlullaby »

In post 41, shaft.ed wrote:I beg to differ, travel time from Paris to Rome could be reduced by at least 10 nanoseconds
think of the commercial value!


People are already making money out of nanoseconds.
http://blogs.wsj.com/marketbeat/2011/06 ... econd-age/
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Post Post #56 (ISO) » Mon Sep 26, 2011 11:16 am

Post by TDC »

In post 49, Thok wrote:if I had to guess, the solution involves them not handling the curvature of the earth correctly.

I doubt the error will be anywhere near this stupid.
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Post Post #57 (ISO) » Wed Sep 28, 2011 8:42 pm

Post by lewarcher82 »

so Prof. Carlo Rubbia kinda asked a question that freezed the CERN guys: how is it possible that in 1987 the neutrinos from the supernova in the Lareg Magellanic Cloud hit the Earth at the same time as we saw the star, (so more or less at the speed of light) and not 3 years before?
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Post Post #58 (ISO) » Wed Sep 28, 2011 8:50 pm

Post by Drench »

I don't understand that question's strength: wouldn't neutrinos being shot out of a supernova into space and neutrinos being shot from something that is decidedly
not
a supernova have the potential to result in different outcomes?
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Post Post #59 (ISO) » Wed Sep 28, 2011 9:20 pm

Post by Otolia »

In post 57, lewarcher82 wrote:so Prof. Carlo Rubbia kinda asked a question that freezed the CERN guys: how is it possible that in 1987 the neutrinos from the supernova in the Lareg Magellanic Cloud hit the Earth at the same time as we saw the star, (so more or less at the speed of light) and not 3 years before?

Maybe because neutrinos are very hard to capture, maybe for others reasons. Nothing is a simple as the journalists write it ><
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Post Post #60 (ISO) » Wed Sep 28, 2011 10:47 pm

Post by Yosarian2 »

In post 55, springlullaby wrote:
In post 41, shaft.ed wrote:I beg to differ, travel time from Paris to Rome could be reduced by at least 10 nanoseconds
think of the commercial value!


People are already making money out of nanoseconds.
http://blogs.wsj.com/marketbeat/2011/06 ... econd-age/


That's a brilliant idea, sl. So all we have to do is make a ftl-neutrino communication device, hook it up to a computer capable of buying and selling stocks in a few nanoseconds, and we can buy and sell stocks right before they go up or down.

Does time travel count as insider trading?
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Post Post #61 (ISO) » Fri Oct 14, 2011 7:34 am

Post by xRECKONERx »

green shirt thursdays
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Post Post #62 (ISO) » Fri Oct 14, 2011 8:22 am

Post by mikeburnfire »

Speed barrier reinstated.
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Post Post #63 (ISO) » Fri Oct 14, 2011 9:43 am

Post by Yosarian2 »

Ahh. The fact that two things that are simultanious in one frame of reference are not simutanious in another, right. Interesting. I remember a physcis problem like that in college.

("Guy has a 10 foot ladder he wants to put in an 8 foot long barn. So his solution is he's going to run REALLY fast, accelerating the ladder until nearly the speed of light so that it become shorter, so that to a stationary observer, it looks like the ladder is only 7 feet long at the moment the ladder enters the barn. So there should be at least a split second where the ladder is in the barn, right? But the problem is, from the point of view of the guy running WITH the ladder, the ladder is still 10 feet long and the BARN actually looks shorter. So how does this work?"

The answer is that simultaneity itself breaks down at relativistic speeds. From the point of view of the stationary observer, the back of the ladder enters the barn before the front of the ladder breaks through the back wall, so the ladder is totally inside the barn briefly; but from the point of view of the guy running with the ladder, the front of the ladder actually breaks through the back wall of the barn before the back of the ladder is in the barn, so from his point of view, the ladder is never totally in the barn. Both points of view are equally correct and valid; if there was ever a point in time where the whole ladder was inside the barn depends totally on your frame of reference. Two things that happen at the same time in one frame of reference don't in a different one.)
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Post Post #64 (ISO) » Fri Oct 14, 2011 9:45 am

Post by shaft.ed »

except someone in the comments section said the assumption about the way the clocks were synchronized is incorrect
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Post Post #65 (ISO) » Fri Oct 14, 2011 9:46 am

Post by IH »

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Post Post #66 (ISO) » Fri Oct 14, 2011 11:26 am

Post by Yosarian2 »

In post 64, shaft.ed wrote:except someone in the comments section said the assumption about the way the clocks were synchronized is incorrect


(nods) Yeah, it would be kind of an elementary mistake for a lab of physicists to make. I donno, we'll see.
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Post Post #67 (ISO) » Fri Oct 14, 2011 11:37 am

Post by Otolia »

What the article says hasn't been really studied. Manipulate with care.
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Post Post #68 (ISO) » Thu Nov 17, 2011 8:31 pm

Post by xRECKONERx »

green shirt thursdays
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Post Post #69 (ISO) » Fri Nov 18, 2011 5:01 am

Post by Rhinox »

well the title is misleading they only ruled out one potential systematic error not completely corfirm the result, but maybe there is something to this afterall??
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Post Post #70 (ISO) » Sat Nov 19, 2011 10:37 am

Post by Kise »

So that's why the link in the OP went gone..
They have escaped into the mansion where they thought it was safe.

Yet…
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Post Post #71 (ISO) » Thu Sep 28, 2017 12:20 pm

Post by Majiffy »

Hello 6 year old necro.

Are any of those more versed in higher levels of physics able to "simply" explain the reason gravity and electromagnetism have thus far been incompatible in a UFT?

Picking this thread because cursory searches turned this up as the most serious physics discussion thread.
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Post Post #72 (ISO) » Thu Sep 28, 2017 6:01 pm

Post by implosion »

aaaah wtf i remember this this is freaky make it go away what have you done jiffy
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Post Post #73 (ISO) » Fri Sep 29, 2017 2:11 am

Post by shaft.ed »

@jiffy, I have no idea

@everyone, so what happened with this experiment, was it all artifact or did the world end?
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Post Post #74 (ISO) » Fri Sep 29, 2017 3:02 am

Post by Majiffy »

In post 72, implosion wrote:aaaah wtf i remember this this is freaky make it go away what have you done jiffy
SUMMONING THE BEAST

By the by, I followed up on this topic and in 2012 OPERA concluded errors were found and neutrinos were operating within the speed of light.
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