News tagged with particle dynamics
Nanorod-assembled order affects diffusion rate and direction
Some of the recent advancements in nanotechnology depend critically on how nanoparticles move and diffuse on a surface or in a fluid under non-ideal to extreme conditions. Georgia Tech has a team of researchers ...
Nanotechnology / Bio & Medicine
Feb 06, 2012 |
5 / 5 (2) |
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Glowing beacons reveal hidden order in dynamical systems
A dynamical system in which repeated measurements on a single particle yield the same mean result as a single measurement of the whole ensemble is said to be ergodic. The ergodic theorem expresses a fundamental physical principle, ...
Oct 19, 2011 |
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Why carbon nanotubes spell trouble for cells
It's been long known that asbestos spells trouble for human cells. Scientists have seen cells stabbed with spiky, long asbestos fibers, and the image is gory: Part of the fiber is protruding from the cell, ...
Nanotechnology / Bio & Medicine
Sep 18, 2011 |
4.9 / 5 (11) |
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Chemical imaging of individual salt particles advances aerosol research
Scientists recently combined experimental approaches and molecular dynamics modeling to gain new insights into the internal structure of sea salt particles and relate it to their fundamental chemical reactivity in the atmosphere. ...
Aug 02, 2011 |
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Squeezed light from single atoms
(PhysOrg.com) -- Max Planck Institute of Quantum Optics scientists generate amplitude-squeezed light fields using single atoms trapped inside optical cavities.
Jun 30, 2011 |
4.5 / 5 (4) |
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Vacuum arcs spark new interest
Whenever two pieces of metal at different voltages are brought near each other, as when an appliance is plugged into a live socket, there is a chance there will be an arc between them. Most of the arcs people ...
Nov 08, 2010 |
4.5 / 5 (11) |
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Can fluid dynamics offer insights into quantum mechanics?
In the first decades of the 20th century, physicists hotly debated how to make sense of the strange phenomena of quantum mechanics, such as the tendency of subatomic particles to behave like both particles ...
Oct 20, 2010 |
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Nutrients, viruses and the biological carbon pump
Adding nutrients to the sea could decrease viral infection rates among phytoplankton and enhance the efficiency of the biological pump, a means by which carbon is transferred from the atmosphere to the deep ocean, according ...
Jun 30, 2010 |
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Engineer Discovers Why Particles Like Flour Disperse on Liquids
(PhysOrg.com) -- Even if you are not a cook, you might have wondered why a pinch of flour (or any small particles) thrown into a bowl of water will disperse in a dramatic fashion, radiating outward as if it ...
Nov 16, 2009 |
4.3 / 5 (15) |
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New Law of Physics Could Explain Quantum Mysteries
(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 ...
Aug 17, 2009 |
4.5 / 5 (98) |
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Mountain on Mars may answer big question
The Martian volcano Olympus Mons is about three times the height of Mount Everest, but it's the small details that Rice University professors Patrick McGovern and Julia Morgan are looking at in thinking about ...
Space & Earth / Space Exploration
Mar 04, 2009 |
4.2 / 5 (17) |
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