News tagged with repulsive forces
Surprising discovery: X-rays drive formation of new crystals
Jan 25, 2010 |
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detect broken bones, tumors and dental cavities, analyze atoms in diverse materials and screen luggage at airports -- but who knew they could cause crystals to form?
Theorists Close In on Improved Atomic Property Predictions
Jan 13, 2010 |
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(PhysOrg.com) -- Scientists at the National Institute of Standards and Technology and Indiana University have determined the most accurate values ever for a fundamental property of the element lithium using a novel approach ...
Argonne scientists to control attractive force for nanoelectromechanical systems
Dec 10, 2009 |
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Scientists at the U.S. Department of Energy's Argonne National Laboratory are developing a way to control the Casimir force, a quantum mechanical force, which attracts objects when they are only hundred nanometers apart.
Metamaterials could reduce friction in nanomachines
Nanotechnology / Nanomaterials
Dec 07, 2009 |
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(PhysOrg.com) -- Nanoscale machines expected to have wide application in industry, energy, medicine and other fields may someday operate far more efficiently thanks to important theoretical discoveries concerning the manipulation ...
Large Hadron Collider could test hyperdrive propulsion
Oct 09, 2009 |
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(PhysOrg.com) -- The world's most powerful particle accelerator, the Large Hadron Collider (LHC), could be used to test the principles behind hyperdrive, a possible future form of spacecraft propulsion that could drive spacecraft ...
Magnetism observed in gas for the first time
Sep 17, 2009 |
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(PhysOrg.com) -- For the first time, MIT scientists have observed ferromagnetism in an atomic gas, addressing the decades-old question of whether gases could show properties similar to a magnet made of iron or nickel. Specifically, ...
Scientists Discover Light Force with 'Push' Power
Jul 13, 2009 |
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(PhysOrg.com) -- A team of Yale University researchers has discovered a "repulsive" light force that can be used to control components on silicon microchips, meaning future nanodevices could be controlled ...
DNA-Based Assembly Line for Nano-Construction of New Biosensors, Solar Cells (w/Video)
Nanotechnology / Nanomaterials
Mar 30, 2009 |
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(PhysOrg.com) -- Building on the idea of using DNA to link up nanoparticles — particles measuring mere billionths of a meter — scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have ...
Researchers heat up gold to surprising effect: It gets harder not softer
Jan 22, 2009 |
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Common sense tells us that when you heat something up it gets softer, but a team of researchers, led by University of Toronto chemistry and physics professor R.J. Dwayne Miller, has demonstrated the exact ...
