News tagged with noise
Blue whales singing with deeper voices
Dec 08, 2009 |
4.3 / 5 (7) |
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(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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Magnetic field measurements of the human heart at room temperature
7 hours ago |
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A new optical sensor developed by the American National Institute of Standards and Technology was successfully tested by the Physikalisch-Technische Bundesanstalt (Germany) in the "magnetically best shielded ...
Weir in space and dimmed sun creates 200-million-mile-long lab bench for turbulence research
8 hours ago |
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Physicists working in space plasmas have made clever use of the Ulysses spacecraft and the solar minimum to create a massive virtual lab bench to provide a unique test for the science underlying turbulent ...
UAF chooses shipyard to build Alaska Region Research Vessel
Space & Earth / Earth Sciences
Dec 09, 2009 |
4 / 5 (1) |
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More than three decades ago, marine scientists in the United States first identified the need for a research vessel capable of bringing scientists to Alaska's icy northern waters.
Does weak equivalence break down at the quantum level?
Dec 08, 2009 |
4.5 / 5 (24) |
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(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
Technology / Computer Sciences
Dec 07, 2009 |
4 / 5 (9) |
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(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 ...
Californians -- and their cell phones -- will help computer scientists monitor air pollution
Technology / Computer Sciences
Dec 04, 2009 |
1 / 5 (2) |
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You want to go for a run, but you don't want to run in polluted air that might aggravate your asthma. University of California, San Diego computer scientists are creating a network of environmental sensors ...
Gifts for your favorite geek
Electronics / Consumer & Gadgets
Dec 04, 2009 |
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In the spirit of the season, I've picked out 10 geeky gifts that cost less than $100. Some are practical. Some are fun. All would be good additions to your gift list for friends and family -- or your own wish list. (Ranked ...
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