News tagged with effect

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Physicists Explain How Human Eyes Can Detect Quantum Effects

Physicists Explain How Human Eyes Can Detect Quantum Effects

Physics / Quantum Physics

created Sep 29, 2009 | popularity 4.2 / 5 (46) | comments 19

(PhysOrg.com) -- By greatly amplifying one photon from an entangled photon pair, physicists have theoretically shown that human eyes can be used as detectors to observe quantum effects. Usually, detecting ...


New Smart Material Bends Under Internal Heat Source

New Smart Material Bends Under Internal Heat Source

Physics / Condensed Matter

created Feb 06, 2009 | popularity 4 / 5 (9) | comments 6

(PhysOrg.com) -- Scientists have developed a new smart material that can bend under the influence of an internal heat source. The material could be used as an aerodynamic flap in cars, in order to stabilize ...


Observing the Quantum Hall Effect in 'Real' Space

Physics / General Physics

created Jan 12, 2009 | popularity 4.2 / 5 (14) | comments 5

(PhysOrg.com) -- When water transforms into steam, or magnetized iron changes to demagnetized iron, Katsushi Hashimoto explains to PhysOrg.com, a phase transition is taking place: “Classical phase transitions…often share ...


Proton's party pals may alter its internal structure

Proton's party pals may alter its internal structure

Physics / General Physics

created Nov 18, 2009 | popularity 4.6 / 5 (20) | comments 9

A recent experiment at the DOE's Thomas Jefferson National Accelerator Facility has found that a proton's nearest neighbors in the nucleus of the atom may modify the proton's internal structure.


New study confirms exotic electric properties of graphene

New study confirms exotic electric properties of graphene

Nanotechnology / Nanomaterials

created Nov 17, 2009 | popularity 4.8 / 5 (23) | comments 1

(PhysOrg.com) -- First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: ...


Inequality, 'silver spoon' effect found in ancient societies

Other Sciences / Social Sciences

created Oct 29, 2009 | popularity 3.7 / 5 (15) | comments 22

The so-called "silver spoon" effect -- in which wealth is passed down from one generation to another -- is well established in some of the world's most ancient economies, according to an international study coordinated by ...


Wine

'Beneficial' effects of alcohol?

Medicine & Health / Health

created Oct 14, 2009 | popularity 4.7 / 5 (15) | comments 2

According a new study of over 3,000 adults aged 70-79, the apparent association between light-to-moderate alcohol consumption and reduced risk of functional decline over time did not hold up after adjustments ...


Scientists discover, visualize exotic electrons on surfaces of unique insulators

Physics / General Physics

created Aug 10, 2009 | popularity 4.9 / 5 (13) | comments 2

(PhysOrg.com) -- In two separate studies, Princeton-led teams of scientists have found a new type of “light-like” electron and visualized for the first time another type that doesn’t bounce back when material imperfections ...


YouTube in 3D

YouTube in 3D?

Technology / Internet

created Jul 23, 2009 | popularity 5 / 5 (3) | comments 1

(PhysOrg.com) -- Back on April 1, Google instigated a prank that allowed users to see an effect on Google Chrome that looked like 3D. It was actually pretty cool. But it seems as though that wasn't the onl ...


Unexpectedly Long-Range Effects in Advanced Magnetic Devices

Unexpectedly Long-Range Effects in Advanced Magnetic Devices

Physics / Condensed Matter

created Jul 01, 2009 | popularity 4.2 / 5 (10) | comments 2

(PhysOrg.com) -- A tiny grid pattern has led materials scientists at the National Institute of Standards and Technology (NIST) and the Institute of Solid State Physics in Russia to an unexpected finding—the ...


'Colossal' Magnetic Effect Under Pressure

'Colossal' Magnetic Effect Under Pressure

Physics / General Physics

created Jun 05, 2009 | popularity 4.4 / 5 (23) | comments 3

(PhysOrg.com) -- Millions of people today carry around pocket-sized music players capable of holding thousands of songs, thanks to the discovery 20 years ago of a phenomenon known as the “giant magnetoresistance ...


Super-efficient Transistor Material Predicted

Super-efficient Transistor Material Predicted

Physics / General Physics

created May 15, 2009 | popularity 4.7 / 5 (36) | comments 10

(PhysOrg.com) -- New work by condensed-matter theorists at the Stanford Institute for Materials and Energy Science at SLAC National Accelerator Laboratory points to a material that could one day be used to ...


Nanophysicists find unexpected magnetic effect: Kondo effect noted in single-atom contacts of pure ferromagnets

Physics / General Physics

created Apr 29, 2009 | popularity 4.7 / 5 (6) | comments 0

Spanish and U.S. physicists studying nanoelectronics have found that size really does matter when it comes to predicting the behavior of electrical contacts that are just one atom wide.


Wetlands likely source of methane from ancient warming event

Wetlands likely source of methane from ancient warming event

Space & Earth / Earth Sciences

created Apr 23, 2009 | popularity 4.7 / 5 (7) | comments 0

An expansion of wetlands and not a large-scale melting of frozen methane deposits is the likely cause of a spike in atmospheric methane gas that took place some 11,600 years ago, according to an international ...


Fire influences global warming more than previously thought

Fire influences global warming more than previously thought

Space & Earth / Environment

created Apr 23, 2009 | popularity 4.3 / 5 (12) | comments 1

Fire's potent and pervasive effects on ecosystems and on many Earth processes, including climate change, have been underestimated, according to a new report.