We probably won't know for months, at the earliest.From blogs, etc., the "gut feeling" seems to be they didn't consider some variable, and there is no FTL neutrinos.
10/12/2011 11:35:03 AM
Fermilab has reviewed the paper and will be attempted to duplicate within a couple months.
10/12/2011 11:35:28 AM
i don't buy this bullshitafter all, there is a consensus that says otherwisethis is probably some Exxon-funded work
10/12/2011 11:41:05 AM
wat
10/12/2011 12:51:23 PM
10/12/2011 10:47:25 PM
Why don't we take the ignoring a century of astrophysicist modeling and mountains of observational evidence supporting that modeling to The Soap Box?
10/13/2011 8:59:52 AM
http://www.technologyreview.com/blog/arxiv/27260/Faster-Than-Light Neutrino Puzzle Claimed Solved by Special RelativityThe relativistic motion of clocks on board GPS satellites exactly accounts for the superluminal effect, says physicist
10/14/2011 10:40:26 AM
seems like a pretty boneheaded mistake to me.
10/14/2011 11:11:39 AM
10/14/2011 11:18:48 AM
10/14/2011 3:52:55 PM
^^ Sounds like the light inside a moving train example I have seen to help explain the theory of relativity.
10/14/2011 4:54:45 PM
10/14/2011 6:54:05 PM
^^^yeah, that's pretty fucking funny right there
10/20/2011 1:38:07 PM
10/20/2011 4:20:35 PM
^ Understanding an idea and coming up with an idea are two different things.
10/20/2011 4:30:04 PM
It's not clear to me the timing issue with the GPS is the problem. Here's an interesting post by a pulser astronomer that has a bit more on the metrology:http://lighthouseinthesky.blogspot.com/2011/09/faster-than-light-neutrinos-keeping.htmlI agree with her is it more likely the max. likelihood analysis the group did is suspect. But the Cohen-Glahsow & ICARUS result makes this result seem a lot less likely:http://profmattstrassler.com/2011/10/06/is-the-opera-speedy-neutrino-experiment-self-contradictory/
10/20/2011 8:15:48 PM
http://www.cbsnews.com/8301-502223_162-57327392/2nd-test-affirms-faster-than-light-particles/
11/18/2011 11:28:45 AM
I still don't buy it, and neither does the rest of the scientific community.
11/18/2011 4:26:33 PM
They've only ruled out one possible source of error. I'm still wondering what they think about the clock proposal.
11/18/2011 4:42:54 PM
i don't fully understand the GPS error claim. if they had error due to GPS timing, it seems that it should be a wash, because they are subtracting from one measurement to the next. unless I am totally misunderstanding the error, it seems to me like it'd be like taking a ruler and measuring two things starting at the 1-inch line and then telling the difference in length between the two. sure, you started at the 1-inch line, but that inch gets subtracted out. or is this completely different?
11/29/2011 8:32:19 AM
The clock issue is that both sites, in order to have properly synchronized clocks to accurately time the travel of these neutrinos, referenced the time signal from a GPS satellite. However, as that satellite is moving at orbital speeds, the author is claiming that they need to, and did not, take into account the relativistic effects of that clock being in motion. An example would be the astronaut thought experiment, if you've heard of it - you send an astronaut off at near the speed of light in a ship, have him travel for what he times to be a year, and he comes back and everyone else has aged 50 (or something) years due to the effects of relativity. That is, the ticks on the high-speed clock are still one second, but they appear "slower" than the ticks in our non-moving reference frame, or the "fast-moving second" is longer than the "stationary second," and thus, it would imply that it took less time for the neutrinos to make the trip than they really did. If it appears they took less time, then it would imply they went at a higher velocity, and thus the results we're looking at now.The real question at hand that I haven't seen a source of yet (please link if you have) is, did the scientists take this effect into account or not? The paper is written as if they didn't, but I haven't seen anything to confirm or deny that.[Edited on November 29, 2011 at 10:45 AM. Reason : ]
11/29/2011 10:43:10 AM
I can understand that, but the way it is explained above, it says they had to "multiply the error by 2" and it equaled the extra ~60ns. that is what doesn't make sense to me. I'm all about multiplying by two in a physics problem, but that one doesn't make sense[Edited on November 29, 2011 at 12:11 PM. Reason : ]
11/29/2011 12:11:02 PM
^I agree with you - I understand the grounds for the questioning, but I don't entirely understand the author's reasoning, or the "times two" for that matter.[Edited on November 29, 2011 at 12:37 PM. Reason : ]
11/29/2011 12:37:13 PM
Faster-than-light neutrino result reportedly a mistake caused by loose cablehttp://arstechnica.com/science/news/2012/02/faster-than-light-neutrino-result-apparently-a-mistake-due-to-loose-cable.arsAt first I was like And then I was like
2/22/2012 7:32:57 PM
http://www.newsdaily.com/stories/bre82t0ip-us-neutrinos/
4/3/2012 10:34:45 PM
4/5/2012 8:51:59 AM
every time i see this thread bumped, i get excitedand then i actually read what's posted and i'm no longer excited
4/5/2012 9:32:48 AM
yeah...me too
4/5/2012 9:36:30 AM