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Physics / Physics news 1234

Handheld 'T-ray' Device earns new $30,000 Lemelson-Rensselaer Student Prize

February 16, 2007 | User rating: 4.9 / 5 after 34 vote(s) | No comments yet

"T-rays" have been touted as the next breakthrough in sensing and imaging, but the need for bulky equipment has been an obstacle to reaching the field's potential. Enter Brian Schulkin, winner of the first-ever ...


First neutrons produced by DOE's Spallation Neutron Source

May 01, 2006 | User rating: 4.9 / 5 after 16 vote(s) | No comments yet

One of the largest and most anticipated U.S. science construction projects of the past several decades has passed its most significant performance test. The Department of Energy's Spallation Neutron Source, ...


Single photon detector wins UC San Diego engineering research competition

February 27, 2007 | User rating: 4.9 / 5 after 13 vote(s) | No comments yet

With a flash of light, photons simultaneously fly toward the face of a person waiting to be identified for security purposes. The packets of light bounce off the face and land on a specially engineered photon sensor that ...


Galaxy evolution in cyber universe matches astronomical observations in fine detail

June 05, 2006 | User rating: 4.9 / 5 after 23 vote(s) | No comments yet

Scientists at the University of Chicago have bolstered the case for a popular scenario of the big bang theory that neatly explains the arrangement of galaxies throughout the universe. Their supercomputer simulation ...


Fine-tuning lasers to destroy blood-borne diseases like AIDS

November 01, 2007 | User rating: 4.9 / 5 after 33 vote(s) | User comments: 1

Physicists in Arizona State University have designed a revolutionary laser technique which can destroy viruses and bacteria such as AIDS without damaging human cells and may also help reduce the spread of hospital infections ...


Physicists make an effervescent discovery

June 20, 2006 | User rating: 4.9 / 5 after 30 vote(s) | No comments yet

Space is fizzing. Above our heads, where the Earth’s magnetic field meets the constant stream of gas from the Sun, thousands of bubbles of superheated gas are constantly growing and popping. Their discovery ...


Physicists get ultra-sharp glimpse of electrons

July 20, 2007 | User rating: 4.9 / 5 after 53 vote(s) | No comments yet

MIT physicists have developed a spectroscopy technique that allows researchers to inspect the world of electrons confined to a two-dimensional plane more clearly than ever before.


Yale scientists make 2 giant steps in advancement of quantum computing

September 26, 2007 | User rating: 4.9 / 5 after 51 vote(s) | No comments yet

Two major steps toward putting quantum computers into real practice — sending a photon signal on demand from a qubit onto wires and transmitting the signal to a second, distant qubit — have been brought about by a team of ...


Physicist John Wheeler, Einstein collaborator, dead at 96

April 15, 2008 | User rating: 4.9 / 5 after 15 vote(s) | User comments: 2

US physicist John Wheeler, one of Albert Einstein's last collaborators who helped build the atomic bomb and gave black holes their name, died at the weekend, his family said. He was 96.


Research Paper Illuminates How Light Pushes Atoms

August 08, 2006 | User rating: 4.9 / 5 after 36 vote(s) | No comments yet

A research paper to be published in the 18 August edition of the journal Physical Review Letters reveals a new effect in the fundamental way that laser light interacts with atoms.


Researchers Create Improved Magnetic-Semiconductor Sandwich

October 02, 2006 | User rating: 4.9 / 5 after 28 vote(s) | No comments yet

Researchers at Ohio University have created an improved magnetic semiconductor that solves a problem spintronics scientists have been investigating for years.


Imaging Challenges Theory of High-temperature Superconductivity

August 02, 2006 | User rating: 4.8 / 5 after 26 vote(s) | No comments yet

By observing events at the scale of single atoms, Cornell researchers have found evidence that the mechanism in high-temperature superconductors may be much more like that in low-temperature superconductors ...


First STM spectroscopy of graphene flakes yields new surprises

July 21, 2008 | User rating: 4.8 / 5 after 39 vote(s) | No comments yet

(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory and the University of California at Berkeley have performed the first scanning tunneling spectroscopy of ...


Rapid-fire: Electrical circuit may bring Sandia Z to fusion sooner

April 25, 2007 | User rating: 4.8 / 5 after 96 vote(s) | No comments yet

An electrical circuit that should carry enough power to produce the long-sought goal of controlled high-yield nuclear fusion and, equally important, do it every 10 seconds, has undergone extensive preliminary ...


Another step toward a liquid telescope on the moon

June 20, 2007 | User rating: 4.8 / 5 after 31 vote(s) | No comments yet

An international team including researcher Ermanno Borra, from Université Laval’s Center for Optics, Photonics, and Laser, has taken another step toward building a liquid telescope on the moon. The researchers have found ...


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