Frontpage » Tag » accurate

News tagged with accurate

Thawing permafrost 50 million years ago led to extreme global warming events

In a new study reported in Nature, climate scientist Rob DeConto of the University of Massachusetts Amherst and colleagues elsewhere propose a simple new mechanism to explain the source of carbon that fed a ...

Space & Earth / Earth Sciences

created Apr 04, 2012 | popularity 4.3 / 5 (28) | comments 47 | with audio podcast

When dark energy turned on (Update)

(PhysOrg.com) -- Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction ...

Space & Earth / Astronomy

created Mar 30, 2012 | popularity 4 / 5 (19) | comments 68 | with audio podcast

Simulating strongly correlated fermions opens the door to practical superconductor applications

Combining known factors in a new way, theoretical physicists Boris Svistunov and Nikolai Prokof'ev at the University of Massachusetts Amherst, with three alumni of their group, have solved an intractable 50-year-old ...

Physics / General Physics

created Mar 18, 2012 | popularity 4.8 / 5 (13) | comments 5 | with audio podcast

Calculating what's in the universe from the biggest color 3-D map

Since 2000, the three Sloan Digital Sky Surveys (SDSS I, II, III) have surveyed well over a quarter of the night sky and produced the biggest color map of the universe in three dimensions ever. Now scientists ...

Space & Earth / Astronomy

created Jan 11, 2012 | popularity 4.9 / 5 (7) | comments 10 | with audio podcast

Gamers succeed where scientists fail: Molecular structure of retrovirus enzyme solved

Gamers have solved the structure of a retrovirus enzyme whose configuration had stumped scientists for more than a decade. The gamers achieved their discovery by playing Foldit, an online game that allows players to collaborate ...

Biology / Cell & Microbiology

created Sep 18, 2011 | popularity 4.9 / 5 (23) | comments 3 | with audio podcast

Earth's gravity revealed in unprecedented detail (w/ video)

(PhysOrg.com) -- After just two years in orbit, ESA's GOCE satellite has gathered enough data to map Earth's gravity with unrivalled precision. Scientists now have access to the most accurate model of the ...

Space & Earth / Earth Sciences

created Apr 01, 2011 | popularity 4.5 / 5 (14) | comments 14 | with audio podcast

Brain-behavior disconnect in cocaine addiction

(PhysOrg.com) -- Parts of the brain involved in monitoring behaviors and emotions show different levels of activity in cocaine users relative to non-drug users, even when both groups perform equally well on ...

Medicine & Health / Neuroscience

created May 25, 2009 | popularity 4.4 / 5 (9) | comments 3

Astronomers discovered ancient Egyptian observations of a variable star

The study of the "Demon star", Algol, made by a research group of the University of Helsinki, Finland, has received both scientific and public attention. The period of the brightness variation of this eclipsing binary star ...

Space & Earth / Space Exploration

created May 16, 2012 | popularity 5 / 5 (8) | comments 0 | with audio podcast

The tick-tock of the optical clock

(PhysOrg.com) -- UK's National Physical Laboratory time scientists have made an accurate measurement of the highly forbidden octupole transition frequency in an ytterbium ion, which could be used as the basis ...

Physics / General Physics

created Mar 29, 2012 | popularity 3.8 / 5 (10) | comments 3 | with audio podcast

The world's slowest clock

(PhysOrg.com) -- National Physical Laboratory is well known for having some of the fastest and most accurate clocks in the world, but now new research with the Scottish Universities Environmental Research ...

Physics / General Physics

created Jan 17, 2012 | popularity 4.6 / 5 (10) | comments 4 | with audio podcast

NASA's GRAIL-A spacecraft 24 hours away from Moon

(PhysOrg.com) -- NASA's Gravity Recovery And Interior Laboratory (GRAIL)-A spacecraft is within 24 hours of its insertion burn that will place it into lunar orbit. At the time the spacecraft crossed the milestone ...

Space & Earth / Space Exploration

created Dec 31, 2011 | popularity 3.7 / 5 (9) | comments 6 | with audio podcast

New biosensor benefits from melding of carbon nanotubes, DNA

Purdue University scientists have developed a method for stacking synthetic DNA and carbon nanotubes onto a biosensor electrode, a development that may lead to more accurate measurements for research related to diabetes and ...

Nanotechnology / Nanomaterials

created Nov 15, 2011 | popularity not rated yet | comments 0 | with audio podcast

Researchers improving GPS accuracy in the 3rd dimension

Researchers who are working to fix global positioning system (GPS) errors have devised software to take a more accurate measurement of altitude – particularly in mountainous areas.

Technology / Telecom

created Aug 17, 2011 | popularity 4 / 5 (2) | comments 1 | with audio podcast

A new way to measure the expansion of the universe

A PhD student from The International Centre for Radio Astronomy Research (ICRAR) in Perth has produced one of the most accurate measurements ever made of how fast the Universe is expanding.

Space & Earth / Astronomy

created Jul 26, 2011 | popularity 4.6 / 5 (20) | comments 173 | with audio podcast

How to tell real whiskey from fake -- faster

Methods for distinguishing between authentic and counterfeit Scotch whisky brands have been devised by scientists at the University of Strathclyde in Glasgow.

Chemistry / Analytical Chemistry

created Jul 25, 2011 | popularity 2 / 5 (1) | comments 1 | with audio podcast