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Physics news 1234

Tabletop nuclear fusion device developed

February 13, 2006 | User rating: 4.7 / 5 after 223 vote(s) | No comments yet

Researchers at Rensselaer Polytechnic Institute have developed a tabletop accelerator that produces nuclear fusion at room temperature, ...


Prominent U.S. Physicists Send Letter to President Bush

April 17, 2006 | User rating: 4.8 / 5 after 365 vote(s) | No comments yet

Thirteen of the nation’s most prominent physicists have written a letter to President Bush, calling U.S. plans to reportedly use nuclear weapons against Iran “gravely irresponsible” and warning that such action would have ...


Electron filmed for first time ever

February 22, 2008 | User rating: 4.5 / 5 after 179 vote(s) | User comments: 6

Now it is possible to see a movie of an electron. The movie shows how an electron rides on a light wave after just having been pulled away from an atom. This is the first time an electron has ever been filmed, ...


Quantum secrets of photosynthesis revealed

April 12, 2007 | User rating: 4.7 / 5 after 332 vote(s) | No comments yet

Through photosynthesis, green plants and cyanobacteria are able to transfer sunlight energy to molecular reaction centers for conversion into chemical energy with nearly 100-percent efficiency. Speed is the ...


Wormholes on Earth?

November 14, 2007 | User rating: 4.5 / 5 after 158 vote(s) | User comments: 7

According to a group of mathematicians, it may be possible to create devices with internal tunnels that are invisible to detection by electromagnetic waves—wormholes, in a sense. The group discusses the idea in a paper published ...


The Physics of Friendship

March 10, 2006 | User rating: 4.7 / 5 after 158 vote(s) | No comments yet

By comparing people to mobile particles randomly bouncing off each other, scientists have developed a new model for social networks. The model fits with empirical data to naturally reproduce the community ...


Cluster spacecraft makes a shocking discovery

May 14, 2007 | User rating: 4.5 / 5 after 118 vote(s) | No comments yet

ESA's Cluster was in the right place and time to make a shocking discovery. The four spacecraft encountered a shock wave that kept breaking and reforming – predicted only in theory.


Physicists Discover an Atomic Oddity

January 26, 2006 | User rating: 4.5 / 5 after 92 vote(s) | No comments yet

Working with an international team of scientists, a Florida State University physics professor has taken part in an experiment that resulted in the creation of a silver atom with exotic properties never before ...


Are We in the Peak of an Oil Bubble?

July 07, 2008 | User rating: 4.3 / 5 after 178 vote(s) | User comments: 39

Since 2003, worldwide oil prices have quadrupled. According to a new study, the price of oil is rising at a faster-than-exponential rate, and cannot be sustained. In other words, we’re in the midst of an oil ...


Towards a new test of general relativity?

March 23, 2006 | User rating: 4.8 / 5 after 355 vote(s) | No comments yet

Scientists funded by the European Space Agency have measured the gravitational equivalent of a magnetic field for the first time in a laboratory. Under certain special conditions the effect is much larger than ...


Goodbye wires... MIT experimentally demonstrates wireless power transfer

June 07, 2007 | User rating: 4.4 / 5 after 320 vote(s) | No comments yet

Imagine a future in which wireless power transfer is feasible: cell phones, household robots, mp3 players, laptop computers and other portable electronics capable of charging themselves without ever being ...


Quantum telecloning: Captain Kirk's clone and the eavesdropper

February 16, 2006 | User rating: 4.4 / 5 after 189 vote(s) | No comments yet

Imagine Captain Kirk being beamed back to the Starship Enterprise and two versions of the Star Trek hero arriving in the spacecraft's transporter room. It happened 40 years ago in an episode of the TV science fiction classic, ...


Japanese Device Uses Laser Plasma to Display 3D Images in the Air

February 27, 2006 | User rating: 4.3 / 5 after 437 vote(s) | User comments: 2

A collaboration of the Japanese National Institute of Advanced Industrial Science and Technology (AIST), Keio University and Burton Inc. has produced a device to display "real 3D images" consisting of dot arrays ...


Researchers Prove Existence of New Basic Element for Electronic Circuits -- 'Memristor'

April 30, 2008 | User rating: 4.5 / 5 after 202 vote(s) | User comments: 28

HP today announced that researchers from HP Labs have proven the existence of what had previously been only theorized as the fourth fundamental circuit element in electrical engineering.


New material means 'x-ray specs' no longer required

February 20, 2006 | User rating: 4.6 / 5 after 165 vote(s) | No comments yet

A new optical effect has been created in a London laboratory that means solid objects such as walls could one day be rendered transparent, scientists report today in the journal Nature Materials.


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