(Phys.org) —An international team of scientists, led by physicists at the University of Arkansas, has tracked the dynamic movement of ripples in freestanding graphene at the atomic level.
Nanomaterials
Apr 30, 2014
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4
Each century, about two massive stars in our own galaxy explode, producing magnificent supernovae. These stellar explosions send fundamental, uncharged particles called neutrinos streaming our way and generate ripples called ...
General Physics
Jul 12, 2012
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With a beam of infrared light, scientists have sent ripples of electrons along the surface of graphene and demonstrated that they can control the length and height of these oscillations, called plasmons, using a simple electrical ...
Nanomaterials
Jun 20, 2012
5
0
Last year, images from NASA's Mars Reconnaissance Orbiter captured sand dunes and ripples moving across the surface of Mars—observations that challenged previously held beliefs that there was not a lot of movement on ...
Space Exploration
May 9, 2012
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0
(PhysOrg.com) -- They look like 2-by-4s, but the materials being created in a Rice University lab are more suited to construction with light.
Nanophysics
Oct 14, 2011
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0
(PhysOrg.com) -- The universe was created 13.73 billion years ago in a blaze of light -- the big bang. We also think that, about 380,000 years later, after matter (mostly hydrogen atoms) had cooled enough for neutral atoms ...
Astronomy
Sep 7, 2010
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0
(PhysOrg.com) -- Graphene is nature's thinnest elastic material and displays exceptional mechanical and electronic properties. Its one-atom thickness, planar geometry, high current-carrying capacity and thermal conductivity ...
Nanomaterials
Jul 26, 2009
1
0
Sand ripples are fascinating. They are symmetrical, yet wind, which causes them, is very much not. Furthermore, they can be found on Mars and on Earth. It would be even more fascinating if the same effect found on Mars could ...
Planetary Sciences
Mar 12, 2024
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84
Experimental physicists at the University of Toronto are closer to understanding why some icicles form with ripples up and down their outsides, while others form with smooth, slick, even surfaces.
General Physics
Dec 2, 2022
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19
Using data from the Gaia space telescope, a team led by researchers at Lund University in Sweden has shown that large parts of the Milky Way's outer disk vibrate. The ripples are caused by a dwarf galaxy, now seen in the ...
Astronomy
Sep 23, 2022
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