May the force be with the atomic probe
New models suggest devising means of probing a surface at a sub-micrometric level as this will help us understand how electrons' diffusion affects long-range attractive forces.
New models suggest devising means of probing a surface at a sub-micrometric level as this will help us understand how electrons' diffusion affects long-range attractive forces.
Nanophysics
Dec 21, 2012
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(Phys.org)—Proteins embedded in the lipid membranes of cells feel long-range attractive forces in specific patterns that mediate the proteins' behavior—for example, assisting in the clumping sequences in response to allergens, ...
Biochemistry
Aug 30, 2012
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The first-ever mission dedicated to looking for dark matter and dark energy, two mysterious entities believed to explain the composition of the universe as we know it, will be launched in 2020, the European Space Agency said ...
Astronomy
Jun 20, 2012
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Nowadays, ever smaller and more powerful computer chips are in demand. German physicists have discovered a new physical attraction that accelerates this progress.
Plasma Physics
Mar 26, 2012
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(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. But what about pseudo-atoms, ...
Materials Science
Jan 6, 2012
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(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 Energys Argonne National Laboratory has ...
Nanomaterials
Sep 21, 2011
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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 ...
Materials Science
Jul 30, 2011
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(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 model system for ...
Soft Matter
May 18, 2011
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Within the bread, rolls and baked goods on many tables this holiday season is an extraordinary substance—gluten. Gluten's unique chemistry makes foods airy and stretchy.
Other
Nov 21, 2023
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On Feb. 10, 2009, disaster struck hundreds of miles above the Siberian Peninsula. That evening, a defunct Russian satellite orbiting Earth crashed into a communications satellite called Iridium 33 moving at a speed of thousands ...
Space Exploration
Jun 1, 2023
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