The flurry of research that followed the claim of faster-than-light neutrinos was far from a waste of time, says .
So, it seems that neutrinos cannot travel faster than light. Since the OPERA collaboration reported six months ago that they could, some sizeable systematic errors have been uncovered, and the result might not stand up to further scrutiny.
The situation has prompted the fundamental-physics community to discuss the proper way to handle cases in which preliminary experimental results challenge 'established' laws. (In this case, one that many physicists hold dearer than most — Einstein's special theory of relativity.)
Some colleagues feel that such results should not be highly publicized, at least until the findings have been properly checked. In hindsight, the frantic attempts to analyse, understand and reproduce the OPERA result may seem unnecessary. But I believe that fundamental physics learned much in those months of madness, as scientists chased the dream of a fundamental revolution.
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