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Ma Ru

Error Undoes Faster-Than-Light Neutrino Results - 3 views

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    :-)
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    And this guy is 200 bucks ahead http://xkcd.com/955/
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    Well, it's not yet confirmed... That error would be worse than the magnetic moment of the muon about 10 years ago. There, it was "at least" a conflict of conventions used in the computer codes!
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    In a statement based on an earlier press release from the OPERA collaboration, CERN said two possible "effects" may have influenced the anomalous measurements. One of them, due to a possible faulty connection between the fiber-optic cable bringing the GPS signals to OPERA and the detector's master clock, would have caused the experiment to underestimate the neutrinos' flight time, as described in the original story. The other effect concerns an oscillator, part of OPERA's particle detector that gives its readings time stamps synchronized to GPS signals. Researchers think correcting for an error in this device would actually increase the anomaly in neutrino velocity, making the particles even speedier than the earlier measurements seemed to show. CERN's statement says OPERA scientists are studying the "potential extent of these two effects" but doesn't indicate which source of error (if either) is likely to outweigh the other. However, Lucia Votano, director of the Gran Sasso laboratory, says the "main suspicion" focuses on the optical-fiber connection. She adds that OPERA researchers deserve credit for "having tenaciously followed this particular evidence via checks completed in the last few days." The two effects will get a new round of tests in May, when the two labs are scheduled to make velocity measurements with short-pulsed beams designed to give readings much more precise than scientists have achieved so far.
Francesco Biscani

LaTeX Lab - Welcome - 6 views

shared by Francesco Biscani on 11 May 10 - Cached
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    Finally LaTeX for Google docs?
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    mmm seems better (more option and direct preview) than spartantex
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    Great!!! seems like the tool we were looking for....
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    does not seem to work (at least not with Safari)
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    Excellent!!!!!!!!! and works with Linux :-)
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    Here it works fine in Chromium, Firefox and Opera (Linux).
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    Worked fine, but after saving a document I can't get it back to the LaTeX mode...
Tobias Seidl

Host Your Own Facebook With Opera Unite - Webmonkey - 0 views

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    The Web Developer's Resource
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    Great idea! Isn't it at the opposite of the web 2.0, where machine tends to be only clients and all the data centralized in big servers? I like more this approach of each individuals dealing with their own data, you have more control on what you want to share or not!
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