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News tagged with charges

50-year cholera mystery solved: Answers may help clear the way for a new class of antibiotics

For 50 years scientists have been unsure how the bacteria that gives humans cholera manages to resist one of our basic innate immune responses. That mystery has now been solved, thanks to research from biologists at The University ...

Biology / Cell & Microbiology

created 9 hours ago | popularity 5 / 5 (2) | comments 0 | with audio podcast

Medical treatments from 200 miles up

In the hunt for cancer treatments, researchers have had some help from higher authorities -- way higher. The International Space Station, orbiting the Earth at more than 200 miles in the sky, houses scientific ...

Space & Earth / Space Exploration

created May 28, 2012 | popularity 5 / 5 (3) | comments 0

Repulsive gravity as an alternative to dark energy (Part 2: In the quantum vacuum)

(PhysOrg.com) -- During the past few years, CERN physicist Dragan Hajdukovic has been investigating what he thinks may be a widely overlooked part of the cosmos: the quantum vacuum. He suggests that the quantum vacuum has ...

Physics / General Physics

created Feb 01, 2012 | popularity 4.7 / 5 (77) | comments 143 | with audio podcast report

Single-inlet electric vehicle charging to showcase in LA

(Phys.org) -- Big names in global car manufacturers have announced a common method for charging electric vehicles. The companies are in agreement with a common charging technology for use on electric vehicles ...

Technology / Engineering

created May 05, 2012 | popularity 4.5 / 5 (11) | comments 17 | with audio podcast report

Study raises questions on what causes silicon solar cell degradation

(PhysOrg.com) -- After several hours of exposure to sunlight, silicon solar cells experience light-induced degradation, which can decrease their efficiency by up to 10%. In a new study, scientists have attempted ...

Physics / Condensed Matter

created Jun 03, 2011 | popularity 3.5 / 5 (4) | comments 1 | with audio podcast feature

Dark matter may be an illusion caused by the quantum vacuum

(PhysOrg.com) -- One of the biggest unsolved problems in astrophysics is that galaxies and galaxy clusters rotate faster than expected, given the amount of existing baryonic (normal) matter. The fast orbits ...

Physics / General Physics

created Aug 11, 2011 | popularity 4.7 / 5 (85) | comments 222 | with audio podcast report

Researchers build first physical 'metatronic' circuit

(PhysOrg.com) -- The technological world of the 21st century owes a tremendous amount to advances in electrical engineering, specifically, the ability to finely control the flow of electrical charges using ...

Physics / General Physics

created Feb 22, 2012 | popularity 4.7 / 5 (27) | comments 12 | with audio podcast

World's smallest electric motor made from a single molecule

Chemists at Tufts University's School of Arts and Sciences have developed the world's first single molecule electric motor, a development that may potentially create a new class of devices that could be used ...

Nanotechnology / Nanophysics

created Sep 04, 2011 | popularity 4.4 / 5 (18) | comments 9 | with audio podcast

Wireless power could revolutionize highway transportation, researchers say

A Stanford University research team has designed a high-efficiency charging system that uses magnetic fields to wirelessly transmit large electric currents between metal coils placed several feet apart. The ...

Technology / Energy & Green Tech

created Feb 01, 2012 | popularity 4.3 / 5 (27) | comments 66 | with audio podcast

Solar power without solar cells: A hidden magnetic effect of light could make it possible

(PhysOrg.com) -- A dramatic and surprising magnetic effect of light discovered by University of Michigan researchers could lead to solar power without traditional semiconductor-based solar cells.

Physics / General Physics

created Apr 14, 2011 | popularity 4.4 / 5 (41) | comments 19 | with audio podcast

Physicists Propose a Method to Observe Dirac Monopoles

(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. ...

Physics / General Physics

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

Long predicted but never observed: A new kind of quantum junction

A new type of quantum bit called a "phase-slip qubit", devised by researchers at the RIKEN Advanced Science Institute and their collaborators, has enabled the world's first-ever experimental demonstration ...

Physics / Superconductivity

created Apr 18, 2012 | popularity 4.9 / 5 (12) | comments 3 | with audio podcast

Researchers show the way forward for improving organic and molecular electronic devices

Future prospects for superior new organic electronic devices are brighter now thanks to a new study by researchers with the DOE's Lawrence Berkeley National Laboratory (Berkeley Lab). Working at the Lab's ...

Nanotechnology / Nanomaterials

created Mar 20, 2012 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Qualcomm's HaloIPT tech brings wireless charging for EVs

(PhysOrg.com) -- Qualcomm has demonstrated its new wireless power transmission system for electric vehicles (EVs) at the Consumer Electronics Show (CES). The system, including one pad for power transmitting, ...

Technology / Energy & Green Tech

created Jan 16, 2012 | popularity 4.4 / 5 (7) | comments 5 | with audio podcast report

Ferroelectrics could pave way for ultra-low power computing

Engineers at the University of California, Berkeley, have shown that it is possible to reduce the minimum voltage necessary to store charge in a capacitor, an achievement that could reduce the power draw and ...

Physics / Condensed Matter

created Sep 12, 2011 | popularity 4.5 / 5 (11) | comments 17 | with audio podcast