News tagged with attractive forces
When ions get closer: New physical attraction between ions in quantum plasmas
Nowadays, ever smaller and more powerful computer chips are in demand. German physicists have discovered a new physical attraction that accelerates this progress.
Mar 26, 2012 |
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Cosmology in a Petri dish
Scientists have found that micron-size particles which are trapped at fluid interfaces exhibit a collective dynamic that is subject to seemingly unrelated governing laws. These laws show a smooth transitioning ...
Jan 26, 2012 |
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Mock atoms prove attractive: Researchers added first pseudo atoms to electronegativity scale
(PhysOrg.com) -- When studying an atom's ability to attract nearby electrons, scientists rely on electronegativity scales, which describe each atom's ability to pull in these negatively charged particles. ...
Jan 06, 2012 |
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A new way to go from nanoparticles to supraparticles
(PhysOrg.com) -- Controlling the behavior of nanoparticles can be just as difficult trying to wrangle a group of teenagers. However, a new study involving the U.S. Department of Energy’s Argonne National ...
Nanotechnology / Nanomaterials
Sep 21, 2011 |
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Forces within molecules can strengthen extra-long carbon-carbon bonds
(PhysOrg.com) -- The strength of a chemical bond between atoms is the fundamental basis for a molecule’s stability and reactivity. Tuning the strength and accessibility of the bond can dramatically change ...
Sep 16, 2011 |
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Chemists make first molecular binding measurement of radon
Even in trace quantities, the radioactive gas radon is very dangerous; it is second only to cigarette smoking as a cause of lung cancer deaths in the United States. The expense and precautions necessary to study it safely ...
Jul 30, 2011 |
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Osmosis in colloidal suspensions
(PhysOrg.com) -- It is very difficult to overestimate the importance of colloidal suspensions. Besides being an integral part of our everyday life (food, cosmetics, drugs), they also serve as an excellent ...
May 18, 2011 |
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Physicists take new look at the atom
(PhysOrg.com) -- University of Arizona physicists have discovered a new way to measure how single atoms interact with a surface. Their findings help develop nanotechnology and test new theories about the internal ...
Jan 17, 2011 |
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Surprising discovery: X-rays drive formation of new crystals
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?
Jan 25, 2010 |
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Study on effect of electricity on liquids bucks conventional science (w/ Video)
(PhysOrg.com) -- Whether gazing into lava lamps or watching balsamic vinegar mix with olive oil, people have long been transfixed by the seemingly mystical way that droplets of one liquid find each other within ...
Sep 16, 2009 |
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Molten Proteins: Surface-modified liquid protein with liquid-crystalline properties
(PhysOrg.com) -- Proteins are solids. When heated they do not melt; instead, they decompose or sublime directly to the gas phase at low pressures. They cannot be converted into a liquid form unless they are dissolved in a ...
Aug 17, 2009 |
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Dark Matter May be Easier to Detect than Previously Thought
(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 ...
Aug 10, 2009 |
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Physicists to study attractive and repulsive forces crucial in designing nano-machines
The Casimir force, also known as the Casimir effect, is typified by the small attractive force that acts between two close parallel uncharged conducting plates. Today, this force has become an interdisciplinary ...
Aug 06, 2009 |
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Scientists Discover Light Force with 'Push' Power
(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 ...
Jul 13, 2009 |
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Scientists directly measure charge states of atoms using an atomic force microscope
(PhysOrg.com) -- IBM scientists in collaboration with the University of Regensburg, Germany, and Utrecht University, Netherlands, for the first time demonstrated the ability to measure the charge state of ...
Jun 23, 2009 |
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