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Physics / Physics news 1234

Are We in the Peak of an Oil Bubble?

July 07, 2008 | User rating: 4.3 / 5 after 118 vote(s) | User comments: 27

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 ...


World's Largest Quantum Bell Test Spans Three Swiss Towns

June 16, 2008 | User rating: 4.7 / 5 after 114 vote(s) | User comments: 21

In an attempt to rule out any kind of communication between entangled particles, physicists from the University of Geneva have sent two entangled photons traveling to different towns located 18 km apart – ...


More Evidence for a Revolutionary Theory of Water

June 30, 2008 | User rating: 4.4 / 5 after 138 vote(s) | User comments: 16

The traditional picture of how liquid water behaves on a molecular level is wrong, according to new experimental evidence collected by a collaboration of researchers from the Department of Energy's Stanford ...


Liquid Crystals Slow Light Pulses to a Snail's Pace

June 10, 2008 | User rating: 4.6 / 5 after 91 vote(s) | User comments: 13

In a vacuum, the speed of a light pulse is always a constant at 186,000 miles (300,000 km) per second. But by changing the medium through which light travels, physicists can slow down light pulses, and possibly ...


Looking for the quantum properties of the Big Bang

June 13, 2008 | User rating: 4.3 / 5 after 61 vote(s) | User comments: 7

“General relativity doesn’t recognize quantum physics,” Martin Bojowald tells PhysOrg.com. And that, he insists, causes problems when it comes to understanding the evolution of the universe from the Big Bang: “You ...


Qubits and Branes Share Surprising Features

July 03, 2008 | User rating: 4.6 / 5 after 91 vote(s) | User comments: 7

What do black holes and entangled particles have in common? Until about a year ago, physicists thought that the two entities existed in completely separate worlds. Then, in 2007, physicist Michael Duff from ...


Physicists produce quantum-entangled images

June 12, 2008 | User rating: 4.6 / 5 after 53 vote(s) | User comments: 6

Using a convenient and flexible method for creating twin light beams, researchers at the Joint Quantum Institute of the Commerce Department's National Institute of Standards and Technology and the University ...


Scientists discover that protons partner with neutrons more often than with other protons

June 18, 2008 | User rating: 4 / 5 after 24 vote(s) | User comments: 6

Fast-moving protons are much more likely to pair up with fast-moving neutrons than with other protons in the nuclei of atoms, according to a recent experiment performed at the U.S. Department of Energy's Thomas ...


Atomic Tug of War

July 02, 2008 | User rating: 4.4 / 5 after 35 vote(s) | User comments: 5

A new form of energy-transfer, reported today in Nature (3 July 2008) may have implications for the study of reactions going on in the atmosphere, and even for those occurring in the body.


Nuisance noise silenced by an acoustic cloak

June 13, 2008 | User rating: 4.6 / 5 after 27 vote(s) | User comments: 4

Researchers in Spain have proven that metamaterials, materials defined by their unusual man-made cellular structure, can be designed to produce an acoustic cloak - a cloak that can make objects impervious to sound waves, ...


Physicists create millimeter-sized 'Bohr atom'

July 01, 2008 | User rating: 4.5 / 5 after 57 vote(s) | User comments: 4

Nearly a century after Danish physicist Niels Bohr offered his planet-like model of the hydrogen atom, a Rice University-led team of physicists has created giant, millimeter-sized atoms that resemble it more ...


A front-row seat at this summer's physics extravaganza

July 02, 2008 | User rating: 4.5 / 5 after 30 vote(s) | User comments: 4

Nearly 20 years in the making, the largest particle accelerator in the world will start running in Switzerland this summer, offering scientists a glimpse of particles that have never been seen before.


Can silver nanoparticles be the key to a more compact laser?

June 09, 2008 | User rating: 4.4 / 5 after 21 vote(s) | User comments: 3

“In random media, multiple scattering and interference reduce the diffusion of light, and in case of extremely strong scattering, photon localization, or Anderson localization of light, is predicted like electrons in glasses,” ...


Researchers develop a worldwide tourism network

June 11, 2008 | User rating: 3.4 / 5 after 33 vote(s) | User comments: 3

It wasn't too long ago in human history that people rarely, if ever, traveled beyond the village they were born in. We've come a long way since then: according to the World Tourism Organization (WTO), international ...


Some fundamental interactions of matter found to be fundamentally different than thought

July 02, 2008 | User rating: 4.1 / 5 after 55 vote(s) | User comments: 3

Collisions have consequences. Everyone knows that. Whether it's between trains, planes, automobiles or atoms, there are always repercussions. But while macroscale collisions may have the most obvious effects - mangled steel, ...


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