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Physics news 1234

New spintronics effect could lead to magnetic batteries

October 10, 2008 | User rating: 4.6 / 5 after 74 vote(s) | User comments: 9

(PhysOrg.com) -- Physicists have recently discovered that heating one side of a magnetized nickel-iron rod causes electrons to rearrange themselves according to their spins. This so-called "spin Seebeck effect" ...


World first for sending data using quantum cryptography

October 08, 2008 | User rating: 4.5 / 5 after 52 vote(s) | User comments: 8

(PhysOrg.com) -- For the first time the transmission of data secured by quantum cryptography is demonstrated within a commercial telecommunications network. 41 partners from 12 European countries, including ...


Cosmic strings might emit cosmic sparks, answer cosmological questions

October 09, 2008 | User rating: 4.2 / 5 after 50 vote(s) | User comments: 18

(PhysOrg.com) -- For astronomers, understanding what happened in the early moments of the universe could answer many questions in physics and astronomy. One possible player in the early universe is cosmic strings, which arise ...


Broken symmetry: Answering the solace of quantum

October 07, 2008 | User rating: 4.4 / 5 after 47 vote(s) | User comments: 12

Humans like the comfort of symmetry -- the identical image in the mirror, the matching wings of the baroque mansion, the equal numbers in opposing football teams.


Bad connection caused atom smasher shutdown

October 07, 2008 | User rating: 4.7 / 5 after 13 vote(s) | No comments yet

(AP) -- A bad electrical connection likely caused the malfunction that sidelined the world's largest atom smasher days after it was launched with great fanfare, a senior scientist said Monday.


Fuzziness on the road to physics' grand unification theory

October 06, 2008 | User rating: 3.5 / 5 after 61 vote(s) | User comments: 8

Leave it to hypothesized gravity to weigh down what physicists have thought for 30 years. If theoretical physicists, led by the University of Oregon's Stephen Hsu, are right, the idea that nature's forces ...


Ripple effect: Water snails offer new propulsion possibilities

October 09, 2008 | User rating: 4.4 / 5 after 12 vote(s) | User comments: 3

(PhysOrg.com) -- A UC San Diego engineer has revealed a new mode of propulsion based on how water snails create ripples of slime to crawl upside down beneath the surface.


New invention that could change design of future memory storage devices

October 08, 2008 | User rating: 3.7 / 5 after 22 vote(s) | User comments: 1

A research team at Singapore A*STAR's Data Storage Institute (DSI) has invented a new phase change material that has the potential to change the design of future memory storage devices.


Long-Lasting Quantum Memory Leads to Long-Distance Quantum Communication

October 07, 2008 | User rating: 4.3 / 5 after 46 vote(s) | User comments: 6

(PhysOrg.com) -- Physicists have taken a step closer to realizing long-distance quantum communication, in which a quantum state is transferred from one location to another by becoming entangled with a traveling ...


Researchers team up to probe iron-arsenic superconductors with new instrument

October 10, 2008 | User rating: 4.7 / 5 after 7 vote(s) | User comments: 1

Researchers at the U.S. Department of Energy's Ames Laboratory are part of collaborative team that's used a brand new instrument at the DOE's Spallation Neutron Source to probe iron-arsenic compounds, the "hottest" new find ...


Dark matter, new planets could bring physics Nobel

October 07, 2008 | User rating: not shown ( 2 vote(s) ) | User comments: 1

(AP) -- Scientists who have pursued dark matter, hunted for undiscovered planets and advanced nanotechnology were being touted Monday as candidates for the 2008 Nobel Prize in physics.