Live Chat: Have Neutrinos Broken the Speed Limit of Light?

with 4 comments

Nothing can go faster than light, right? Einstein said so. But last week a group of researchers in Italy announced that they’d measured the speed of thousands of neutrinos (tiny, almost massless particles that were fired at their detector from the CERN particle physics lab 730 kilometers away) and found they were traveling slightly faster than light. Is this the beginning of the end for Einstein’s theory of relativity? Have the researchers simply made a mistake in their measurements? Or are the neutrinos, as some versions of string theory allow, taking a shortcut through a higher dimension and arriving in Italy in double-quick time?
Join us for a live chat on this page at 3 p.m. EDT on Thursday, 29 September, to discuss these and other questions with two experts in the field. You can leave your questions in the comments section below before the chat starts.
Upcoming Event:  Have Neutrinos Broken the Speed Limit of Light?

Written by physicsgg

September 28, 2011 at 4:52 pm

4 Responses

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  1. Is the concept of “higher dimensions” already proven? How would the researchers know if neutrinos are faster than light or travel through other dimensions?


    September 30, 2011 at 3:02 am

  2. It is a possibility that they have not accounted for the curvature of space time in this experiment. 60 nanoseconds may account for this! However a lab with some of the greatest minds in science, you would think that they would have thought of relativity. I say it is an exciting turn of events, it would mean that warping space and time is possible after all. I really like the fact that they have not made any crazy claims, and that they have asked the greater scientific community to scrutinize their data. This is promising!


    October 2, 2011 at 5:03 am

  3. If such a neutrino hit me, I would be hit first and then see neutrino coming towards me. lol..


    October 3, 2011 at 4:39 am

    With the recent experiment conducted at CERN, we are about to ensure that the speed of the neutrino is greater than that of light, which apparently contradicts radically the current theoretical framework based on the Lorentz factor, conceptualized by Einstein for Special Theory of Relativity.

    But I propose a universal Lorentz factor, where the denominator of the square root is not C (speed of light), but U (variable universal), but of course, the observer would perceive A and B particles U electromagnetic waves or photons not speed C (such as radars, cameras, the human eye, interferometers etc.), but it would have devices that capture particles or, in the case of neutrinos, neutrino detectors would. And if in these conditions we make the Michelson-Morley experiment, then the neutrino velocityconstant would be independent from the inertial observer’s perspective it would no longer constant C for observers in mind that the speed according to the neutrino experiments at CERN travel faster than light, thus, when we calculate the Lorentz factor with C Superior speed, we are not dealing with an imaginary number, if not a positive root, since the speed of the particle would not be greater than the speed of neutrino. ( IN THIS HYPOTHETICAL EXPERIMENT INFORMATION TRAVEL WITH PHOTONS, NOT WITH LIGHT)

    Relativistic implications of this approach are of great importance since the variation of time, mass and space dropped by Lorentz transformations would have no way limited to the speed of light but that of the neutrino in this case.

    The answer I propose in this brief article is so simple that has been expressed in two paragraphs, but its implications are very important in these times when the scientific community found no answer to the new discovery of the neutrino velocity.

    Luis Padilla

    December 14, 2011 at 10:58 pm

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