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More precise measurements of the W boson

Physics / General Physics

created Dec 21, 2009 | popularity 3.8 / 5 (17) | comments 5

(PhysOrg.com) -- "The W boson is one of the very few major building blocks of matter," Dmitri Denisov tells PhysOrg.com. "It is a member of a family of particles that is the most fundamental in nature. The W boson is res ...


Using superconducting probes to get a picture of what it's like inside CNTs

Nanotechnology / Nanophysics

created Nov 20, 2009 | popularity 4.4 / 5 (9) | comments 0

(PhysOrg.com) -- "Carbon nanotubes are exciting for fundamental physics, and for potential technological applications," Nadya Mason tells PhysOrg.com. "However, we are generally limited in the way that we can study them. ...


New Digital 'Electronics' Concept May Continue Moore's Law

New Digital 'Electronics' Concept May Continue Moore's Law

Nanotechnology / Nanophysics

created Nov 05, 2009 | popularity 4.6 / 5 (76) | comments 12

(PhysOrg.com) -- Computers of the future could be operating not on electrons, but on tiny waves traveling through an electron "fluid," if a new proposal is successful. The new circuit design, recently introduced ...


Creating a six-qubit cluster state

Physics / Quantum Physics

created Nov 02, 2009 | popularity 4.6 / 5 (10) | comments 2

(PhysOrg.com) -- Many scientists believe that quantum entanglement is required in order for effective quantum computing. Entanglement takes place when there is a connection that exists between two objects - even when they ...


Physicists Investigate Unusual Four-Qubit Entanglement

Physicists Investigate Unusual Four-Qubit Entanglement

Physics / Quantum Physics

created Sep 30, 2009 | popularity 4.6 / 5 (19) | comments 5

(PhysOrg.com) -- For the first time, physicists have experimentally demonstrated a four-qubit bound-entangled state - a peculiar form of entanglement that cannot be distilled (optimized) by the usual means. ...


Island of Stability

Superheavy Element 114 Confirmed: A Stepping Stone to the Island of Stability

Physics / General Physics

created Sep 24, 2009 | popularity 4.5 / 5 (37) | comments 14

(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory have been able to confirm the production of the superheavy element 114, ten years after a group in Russia, ...


 perpetual motion machine

Could Exotic Matter Provide an Infinite Source of Energy?

Physics / General Physics

created Sep 15, 2009 | popularity 3.4 / 5 (35) | comments 63

(PhysOrg.com) -- Generally, scientists prefer to avoid the concept of perpetual motion. The idea of a machine that could produce movement that goes on forever, and using that movement to generate an endless ...


Physicist Proposes Solution to Arrow-of-Time Paradox

Physicist Proposes Solution to Arrow-of-Time Paradox

Physics / General Physics

created Aug 27, 2009 | popularity 4.2 / 5 (74) | comments 108

(PhysOrg.com) -- Entropy can decrease, according to a new proposal - but the process would destroy any evidence of its existence, and erase any memory an observer might have of it. It sounds like the plot ...


New Law of Physics Could Explain Quantum Mysteries

New Law of Physics Could Explain Quantum Mysteries

Physics / Quantum Physics

created Aug 17, 2009 | popularity 4.5 / 5 (98) | comments 163

(PhysOrg.com) -- Since the early days of quantum mechanics, scientists have been trying to understand the many strange implications of the theory: superpositions, wave-particle duality, and the observer’s ...


Dark Matter May be Easier to Detect than Previously Thought

Dark Matter May be Easier to Detect than Previously Thought

Physics / General Physics

created Aug 10, 2009 | popularity 4.6 / 5 (30) | comments 44

(PhysOrg.com) -- The Milky Way, like many other galaxies, is thought to be embedded in massive, lumpy amounts of dark matter that release gamma rays and other emissions. Although at first these emissions seem ...


Physicists Propose a Method to Observe Dirac Monopoles

Physicists Propose a Method to Observe Dirac Monopoles

Physics / General Physics

created Jul 28, 2009 | popularity 4.6 / 5 (18) | comments 5

(PhysOrg.com) -- For decades, scientists have been intrigued by the hypothetical existence of magnetic monopoles - particles with only a north or south magnetic pole, thus having a nonzero magnetic charge. ...


Physicists propose quantum entanglement for motion of microscopic objects

Physics / Quantum Physics

created Dec 21, 2009 | popularity 4.5 / 5 (17) | comments 12

Researchers at the California Institute of Technology (Caltech) have proposed a new paradigm that should allow scientists to observe quantum behavior in small mechanical systems.


Switchable Nanostructures Made with DNA

Switchable Nanostructures Made with DNA

Nanotechnology / Bio & Medicine

created Dec 21, 2009 | popularity 4.6 / 5 (9) | comments 0

(PhysOrg.com) -- Scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have found a new way to use a synthetic form of DNA to control the assembly of nanoparticles — this time resulting ...


Closing in on dark matter?

Physicists detect two candidate dark matter interactions, but say the data are not conclusive

Physics / General Physics

created Dec 18, 2009 | popularity 4.1 / 5 (16) | comments 6

(PhysOrg.com) -- Scientists have spent decades searching for the elusive material known as dark matter, which is believed to make up 25 percent of the universe. On Thursday, Dec. 17, a team of physicists including ...


Tiny whispering gallery

Tiny whispering gallery: Sensor can detect a single nanoparticle and take its measurement

Physics / Optics & Photonics

created Dec 18, 2009 | popularity 4.7 / 5 (16) | comments 0

(PhysOrg.com) -- Nanotechnology has already made it to the shelves of your local pharmacy and grocery: nanoparticles are found in anti-odor socks, makeup, makeup remover, sunscreen, anti-graffiti paint, home ...