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Daily Archives: October 19, 2011

 
19
Oct 2011

Questioning Carl

POSTED BY: ARIELANBAR
 
“Extraordinary claims require extraordinary evidence” Carl Sagan, Cosmos, Ep. 12 We’ve seen this quote a lot in recent days, thanks to the “speeding neutrino” report. It is a favorite phrase whenever a spectacular new finding generates intense skepticism. Carl Sagan famously invoked it in his TV series Cosmos, when discussing the possibility that the Earth might have been visited by intelligent aliens. The phrase has a nice ring to it. But… Does it make sense? I hesitate to question the....
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19
Oct 2011

Do neutrinos deserve a speeding ticket?

POSTED BY: DIMITRA ATRI
 
Neutrinos are the most unsocial of known subatomic particles. They hardly interact with matter, and most neutrinos can pass through the entire Earth without undergoing any collision! They have a very low mass, no charge and as textbooks say, they travel with the speed of light. But do they? The new experimental results from the OPERA collaboration were posted on Arxiv recently: http://arxiv.org/abs/1109.4897 where the neutrino speed was found to exceed the speed of light by ~0.0025 %. When you....
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19
Oct 2011

You, Too, Can Be A Planet Hunter!

POSTED BY: ARIELANBAR
 
“Citizen-scientists” recently discovered two planets overlooked by the professionals. You can, too!
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