News tagged with measurements
How to Measure What We Don't Know
Sep 10, 2009 |
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(PhysOrg.com) -- How do we discover new things? For scientists, observation and measurement are the main ways to extract information from Nature. Based on observations, scientists build models that, in turn, are used to make ...
It's Easier to Observe the Failure of Local Realism than Previously Thought
Mar 04, 2009 |
4.3 / 5 (41) |
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(PhysOrg.com) -- Local realism is something we live with every day, even if we don’t realize it. The principle of local realism combines two assumptions: locality and realism. Locality says that distant objects cannot directly ...
Yellowstone's plumbing exposed
Space & Earth / Earth Sciences
Dec 14, 2009 |
4.8 / 5 (48) |
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(PhysOrg.com) -- The most detailed seismic images yet published of the plumbing that feeds the Yellowstone supervolcano shows a plume of hot and molten rock rising at an angle from the northwest at a depth ...
Diet secrets of 'the Royals' -- Elephant tail hair isotopes show cattle out-munch pachyderms
Apr 13, 2009 |
5 / 5 (3) |
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Two weeks after the rains begin, an elephant family named "the Royals" usually switches to a grass diet to bulk up for pregnancy and birth. But when they wandered off their African reserve one rainy season, ...
Subterranean oceans on Saturn's moon Titan
Space & Earth / Space Exploration
Apr 06, 2009 |
4.3 / 5 (15) |
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(PhysOrg.com) -- Saturn's largest moon, Titan, may have a subterranean ocean of hydrocarbons and some topsy-turvy topography in which the summits of its mountains lie lower than its average surface elevation, ...
Astronomers get a sizzling weather report from a distant planet
Jan 28, 2009 |
4.5 / 5 (8) |
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Astronomers have observed the intense heating of a distant planet as it swung close to its parent star, providing important clues to the atmospheric properties of the planet. The observations enabled astronomers ...
Milky Way a Swifter Spinner, More Massive, New Measurements Show
Jan 05, 2009 |
4.9 / 5 (21) |
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(PhysOrg.com) -- Fasten your seat belts -- we're faster, heavier, and more likely to collide than we thought. Astronomers making high-precision measurements of the Milky Way say our home Galaxy is rotating ...
Satellite data look behind the scenes of deadly earthquake
Space & Earth / Earth Sciences
Oct 15, 2009 |
4.6 / 5 (7) |
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Using satellite radar data and GPS measurements, Chinese researchers have explained the exceptional geological events leading to the 2008 Wenchuan Earthquake that killed nearly 90 000 people in China's Sichuan ...
Goddard Visualization Team Previews Lunar Impact
Space & Earth / Space Exploration
Oct 08, 2009 |
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(PhysOrg.com) -- At 7:30 a.m. EDT on October 9, a two-ton rocket body will slam into a crater near the moon's south pole. By studying the resulting plume of gas and dust, scientists hope this grand experiment ...
Carbon nanotubes and aptamers: Vew biosensor detects extremely low bacteria concentrations quickly, easily, reliably
Chemistry / Analytical Chemistry
Jul 20, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Bacterial diseases are usually detected by first enriching samples, then separating, identifying, and counting the bacteria. This type of procedure usually takes at least two days after arrival ...
Studying the female form: Math could lead to sexier lingerie, safer labcoats
Technology / Computer Sciences
Mar 12, 2009 |
3.7 / 5 (3) |
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Researchers in Japan have turned to mathematics to build a computerized 3D model of the female trunk that could help lingerie and other clothes designers make more sensuous, comfortable, and better fitting product ranges.
Pollution dims skies as well as befouling the air
Space & Earth / Earth Sciences
Mar 12, 2009 |
1.7 / 5 (6) |
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A University of Maryland-led team has compiled the first decades-long database of aerosol measurements over land, making possible new research into how air pollution changes affect climate change.
NASA Outlines Recent Breakthroughs in Greenhouse Gas Research (w/ Video)
Space & Earth / Earth Sciences
Dec 15, 2009 |
3.7 / 5 (6) |
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(PhysOrg.com) -- Researchers studying carbon dioxide, a leading greenhouse gas and a key driver of global climate change, now have a new tool at their disposal: daily global measurements of carbon dioxide ...
Better Way to Measure Particle Shape Proves Popular
Sep 08, 2009 |
5 / 5 (2) |
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Tiny particles are pivotal to climate change, public health, and nanotechnology. A significant fraction of these particles are aspherical, yet scientists must routinely assume the particles are spherical to ...
What's Holding Antarctic Sea Ice Back From Melting?
Space & Earth / Earth Sciences
Sep 02, 2009 |
3.1 / 5 (9) |
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(PhysOrg.com) -- Global temperatures are increasing. Sea levels are rising. Ice sheets in many areas of the world are retreating. Yet there’s something peculiar going on in the oceans around Antarctica: even ...
