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LeopoldS

BBC News - Speed-of-light experiments give baffling result at Cern - 5 views

www.bbc.co.uk/...science-environment-15017484

PHY physics Einstein

shared by LeopoldS on 22 Sep 11 - No Cached
  • LeopoldS on 22 Sep 11
     
    Sante, Luzi have a look at this???!!!
  • ...3 more comments...
  • Luís F. Simões on 23 Sep 11
     
    and here's the xkcd on it: http://xkcd.com/955/
  • Luzi Bergamin on 23 Sep 11
     
    And here's the arXiv paper http://arxiv.org/abs/1109.4897 Serious? Difficult to say. I'm theorist and can't really rate their measurement techniques. Certainly be cautious, mostly such things disappear faster than they appeared.
  • LeopoldS on 23 Sep 11
     
    it took them 3 years to "appear"!
  • Luzi Bergamin on 23 Sep 11
     
    Leo, you mean that they measured 3 years? That's not a point to criticize: since the only interaction of neutrinos with matter is the Weak Interaction (which is indeed very, very weak), it is extremely hard to get a reasonable statistic. By the same reason, it's essentially impossible to shield the experiment from the background. And this background (solar neutrinos, cosmic radiation neutrinos) is huge.
  • pacome delva on 28 Sep 11
     
    for sure a result to be taken seriously. It makes a buzz in my lab... but always be cautious with this kind of declaration, that hugely violates all physics we know and even most of the reasonable alternative theories... Remember the Pionneer anomaly for which it took almost ten years to set up that finally its a thermal effect.
nikolas smyrlakis

Has the Large Hadron Collider destroyed the earth yet? - 1 views

hasthelhcdestroyedtheearth.com

science Large Hadron Collider CERN

shared by nikolas smyrlakis on 24 Nov 09 - Cached
  • nikolas smyrlakis on 24 Nov 09
     
    if you view the source code there's also an RSS feed
  • pacome delva on 25 Nov 09
     
    well, it seems we'll never be able to see the yes...!
  • Ma Ru on 25 Nov 09
     
    so ooooooooooooold!!!!
Thijs Versloot

Watch uranium radiation inside a cloud chamber - 6 views

www.sciencealert.com/radiation-inside-cloud-chamber

PHY NRG science

shared by Thijs Versloot on 10 Mar 15 - No Cached
  • Thijs Versloot on 10 Mar 15
     
    Ever wondered what radiation looks like? If you have, I bet you didn't think it would look as cool as this. This is a small piece of uranium mineral sitting in a cloud chamber, which means you can see the process of decay and radiation emission....
  • jcunha on 11 Mar 15
     
    Once I saw a DIY spark chamber in LIP (CERN associated laboratory). It was the work of a bunch of BSc students, they made it all from scratch, so it seemed to be not that difficult to have one at home. Yet another project for the future 'Experimental Physics' stagiare maybe :)
jaihobah

Scientists plan huge European AI hub to compete with US - 1 views

www.theguardian.com/...pean-ai-hub-to-compete-with-us

AI

shared by jaihobah on 26 Apr 18 - No Cached
  • jaihobah on 26 Apr 18
     
    "Leading scientists have drawn up plans for a vast multinational European institute devoted to world-class artificial intelligence (AI) research in a desperate bid to nurture and retain top talent in Europe. The new institute would be set up for similar reasons as Cern, the particle physics lab near Geneva, which was created after the second world war to rebuild European physics and reverse the brain drain of the brightest and best scientists to the US."
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