News tagged with noise


Blue whale

Blue whales singing with deeper voices

Biology / Plants & Animals

created 13 hours ago | popularity 4 / 5 (5) | comments 5

(PhysOrg.com) -- Blue whales, the largest animals on earth, are singing with deeper voices every year, but scientists are unsure of the reason.





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Does weak equivalence break down at the quantum level?

Physics / General Physics

created 12 hours ago | popularity 4.6 / 5 (15) | comments 10

(PhysOrg.com) -- One of the givens in physics is the weak equivalence principle. This principle has been considered solid since Einstein proposed that it is not possible to detect the difference between uniform acceleration ...


Facebook (and systems biologists) take note: Network analysis reveals true connections

Facebook (and Systems Biologists) Take Note: Network Analysis Reveals True Connections

Technology / Computer Sciences

created Dec 07, 2009 | popularity 3.9 / 5 (8) | comments 8

(PhysOrg.com) -- Facebook figures out that you know Holly, although you haven't seen her in 10 years, because you have four mutual friends -- a good predictor of direct friendship. But sometimes Facebook gets ...



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