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Physics news 1234

A dark matter disk in our Galaxy

September 16, 2008 | User rating: 4.4 / 5 after 54 vote(s) | User comments: 7

(PhysOrg.com) -- An international team of scientists predict that our Galaxy, the Milky Way, contains a disk of ‘dark matter’. In a paper published in Monthly Notices of the Royal Astronomical Society, astronomers ...


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.


Scientists explore what happened before the universe's theoretical beginning

September 22, 2008 | User rating: 4.3 / 5 after 39 vote(s) | User comments: 19

When the huge subatomic-particle smasher under the Swiss-French border starts running, it's supposed to reveal what happened the instant after the big bang, the theoretical beginning of our universe 13.7 billion years ago.


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 ...


Atom-smasher down for two months: CERN

September 20, 2008 | User rating: 4.4 / 5 after 28 vote(s) | User comments: 50

The world's largest atom-smasher has been shut down for two months following a helium leak, just ten days after it was switched on amid great fanfare to probe the secrets of the universe.


Scientists create superconducting thin films

October 08, 2008 | User rating: 4.7 / 5 after 45 vote(s) | User comments: 11

(PhysOrg.com) -- One major goal on the path toward making useful superconducting devices has been engineering materials that act as superconductors at the nanoscale -- the realm of billionths of a meter. Such ...


Controlling light with sound: new liquid camera lens as simple as water and vibration

September 22, 2008 | User rating: 4.6 / 5 after 40 vote(s) | User comments: 3

New miniature image-capturing technology powered by water, sound, and surface tension could lead to smarter and lighter cameras in everything from cell phones and automobiles to autonomous robots and miniature ...


Coastlines could be protected by 'invisibility cloak'

October 02, 2008 | User rating: 4.4 / 5 after 32 vote(s) | User comments: 7

Scientists at the University of Liverpool have tested an 'invisibility cloak' that could reduce the risk of large water waves overtopping coastal defences.


A broadband single-photon source

September 19, 2008 | User rating: 4.7 / 5 after 36 vote(s) | No comments yet

As science makes progress toward practical quantum computing, improved quantum cryptography and scalable quantum communications systems, single photon sources will become more important. Until now, though, ...


Zooming way in, technique offers close-ups of electrons, nuclei

October 01, 2008 | User rating: 4.8 / 5 after 36 vote(s) | User comments: 1

Providing a glimpse into the infinitesimal, physicists have found a novel way of spying on some of the universe's tiniest building blocks.Their "camera," described this week in the journal Nature, consists of a special ...


Tsunami Invisibility Cloak

September 26, 2008 | User rating: 4.3 / 5 after 23 vote(s) | User comments: 1

Rather than building stronger ocean-based structures to withstand tsunamis, it might be easier to simply make the structures disappear.


New research shows why metal alloys degrade

September 24, 2008 | User rating: 4.1 / 5 after 32 vote(s) | User comments: 3

(PhysOrg.com) -- Metal alloys can fail unexpectedly in a wide range of applications -- from jet engines to satellites to cell phones—and new research from the University of Michigan helps to explain why.


CERN rivals see melting magnets as par for course

September 28, 2008 | User rating: 4.1 / 5 after 21 vote(s) | User comments: 1

(AP) -- The daring success of the world's largest atom smasher on its opening day was more surprising to many scientists than the troubles it subsequently developed.


Mars magnetic field mystery explained

September 25, 2008 | User rating: 4 / 5 after 27 vote(s) | User comments: 3

(PhysOrg.com) -- So much attention has been paid to the similarities and differences between Earth and Mars that we often look to the ancient red planet for signposts in our own planet's future. A U of T physicist, ...


Researchers meet major hydrogen milestone

September 18, 2008 | User rating: 4.3 / 5 after 29 vote(s) | User comments: 8

A team of scientists from the U.S. Department of Energy's Idaho National Laboratory earlier this month reached a major milestone with the successful production of hydrogen through High-Temperature Electrolysis (HTE).


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