General Physics news

A step closer to an ultra precise atomic clock

A step closer to an ultra precise atomic clock

Physics / General Physics

created Apr 16, 2009 | popularity 4.8 / 5 (11) | comments 5

A clock that is so precise that it loses only a second every 300 million years - this is the result of new research in ultra cold atoms. The international collaboration is comprised of researchers from the ...


Physicists see the cosmos in a coffee cup

Physicists see the cosmos in a coffee cup

Physics / General Physics

created Apr 14, 2009 | popularity 4.6 / 5 (18) | comments 5

(PhysOrg.com) -- A Duke University professor and his graduate student have discovered a universal principle that unites the curious interplay of light and shadow on the surface of your morning coffee with ...


Physicists put a new spin on electrons

Physics / General Physics

created Apr 15, 2009 | popularity 4.7 / 5 (12) | comments 4

In the first demonstration of its kind, researchers at the University of British Columbia have controlled the spin of electrons using a ballistic technique--bouncing electrons through a microscopic channel of precisely constructed, ...


Putting the squeeze on an old material could lead to 'instant on' electronic memory

Putting the squeeze on an old material could lead to 'instant on' electronic memory

Physics / General Physics

created Apr 16, 2009 | popularity 4.6 / 5 (11) | comments 1

(PhysOrg.com) -- The technology of storing electronic information - from old cassette tapes to shiny laptop computers - has been a major force in the electronics industry for decades.


Coke Bottle Quantum Physics

Coke Bottle Quantum Physics

Physics / General Physics

created Apr 16, 2009 | popularity 3.8 / 5 (8) | comments 1

(PhysOrg.com) -- Don't be fooled by the collection of empty soda bottles in James Cryan's office at SLAC National Accelerator Laboratory. Cryan isn't a caffeine fiend—the cola bottles are for science. As a ...


The Physics of Pizza Tossing

The Physics of Pizza Tossing

Physics / General Physics

created Apr 09, 2009 | popularity 3.5 / 5 (11) | comments 7

(PhysOrg.com) -- As dough flies through the air, transforming from a ball into a disk in the chef’s experienced hands, pizza tossing can definitely be thought of as an art. But, as a recent study shows, pizza ...


Entangled Light in Bose-Einstein Condensates

Entangled Light in Bose-Einstein Condensates

Physics / General Physics

created Apr 08, 2009 | popularity 4.4 / 5 (15) | comments 8

(PhysOrg.com) -- When physicists entangle light, they usually use nonlinear crystals as the source. However, it’s difficult to control the entanglement generation process in a bulk crystal, and so scientists ...


Life Expectancy on the Rise - Even for Quantum States

Life Expectancy on the Rise -- Even for Quantum States

Physics / General Physics

created Apr 14, 2009 | popularity 5 / 5 (5) | comments 0

(PhysOrg.com) -- For the first time, scientists have succeeded in measuring and controlling the lifetime of quantum states with potential use in optoelectronic chips. This achievement is highly significant ...


Scientists hope to unlock mysteries of proteins

Physics / General Physics

created Apr 14, 2009 | popularity 4.8 / 5 (4) | comments 1

Proteins, the work-horse molecules necessary for virtually every human action from breathing to thinking, have proved an almost ghostly presence, daring scientists to fully grasp their structure and behavior. Now, physicists ...


Physicists discover important step for making light crystals (w/Videos)

Physics / General Physics

created Apr 09, 2009 | popularity 4.9 / 5 (13) | comments 3

Ohio State University researchers have developed a new strategy to overcome one of the major obstacles to a grand challenge in physics.


'Squeezing' light into quantum dots

Physics / General Physics

created Apr 01, 2009 | popularity 4.3 / 5 (11) | comments 2

(PhysOrg.com) -- “Quantum wells have been instrumental in telecommunications, enabling light amplification,” Patanjali Kambhampati tells PhysOrg.com, “but theory has suggested that a very small - colloidal - quantum dot co ...


Researchers Explore Magnetic Properties of Iron-Based Superconductors

Researchers Explore Magnetic Properties of Iron-Based Superconductors

Physics / General Physics

created Apr 13, 2009 | popularity 5 / 5 (4) | comments 0

(PhysOrg.com) -- Scientists at the Naval Research Laboratory have proposed theoretical models to explain the normal magnetic properties in iron-based superconductors. This research was published in the December ...


Cheap and efficient white light LEDs new design described in AIP's Journal of Applied Physics

Cheap, efficient white light LEDs new design

Physics / General Physics

created Apr 07, 2009 | popularity 4.9 / 5 (25) | comments 5

Roughly 20 percent of the electricity consumed worldwide is used to light homes, businesses, and other private and public spaces. Though this consumption represents a large drain on resources, it also presents ...


Possible Fifth Force Would Make Direct Detection of Dark Matter Unlikely

Possible Fifth Force Would Make Direct Detection of Dark Matter Unlikely

Physics / General Physics

created Mar 26, 2009 | popularity 3.9 / 5 (40) | comments 54

(PhysOrg.com) -- No one knows exactly what a “fifth force” might be, but studies have shown that, if a long-range fifth force does exist, it could have surprising effects on the universe’s structure formation. ...


Quantum computers will require complex software to manage errors

Quantum computers will require complex software to manage errors

Physics / General Physics

created Apr 08, 2009 | popularity 3.4 / 5 (8) | comments 3

(PhysOrg.com) -- Highlighting another challenge to the development of quantum computers, theorists at the National Institute of Standards and Technology have shown* that a type of software operation, proposed ...