Researchers make sand that flows uphill
Engineering researchers at Lehigh University have discovered that sand can actually flow uphill.
Engineering researchers at Lehigh University have discovered that sand can actually flow uphill.
Condensed Matter
Sep 20, 2023
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(Phys.org) —Applied physicists at the Harvard School of Engineering and Applied Sciences (SEAS) have demonstrated that they can change the intensity, phase, and polarization of light rays using a hologram-like design decorated ...
Nanophysics
Aug 20, 2013
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Enhancing and manipulating the light emission of organic molecules is at heart of many important technological and scientific advances, including in the fields of organic light emitting devices, bio-imaging, bio-molecular ...
Optics & Photonics
Aug 6, 2013
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(Phys.org)—Beyond serving as the backbone of modern biology, DNA has come to be a molecule of great interest to engineers. That a DNA sequence will naturally bind only with a complementary sequence could make it part of ...
Condensed Matter
Feb 4, 2013
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(Phys.org)—Wear is a fact of life. As surfaces rub against one another, they break down and lose their original shape. With less material to start with and functionality that often depends critically on shape and surface ...
Nanophysics
Jan 30, 2013
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(Phys.org)—A Kansas State University researcher is developing more efficient ways to save costs, time and energy when creating nanomaterials and lithium-ion batteries.
Nanomaterials
Jan 16, 2013
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(Phys.org)—Directed assembly is a growing field of research in nanotechnology in which scientists and engineers aim to manufacture structures on the smallest scales without having to individually manipulate each component. ...
Condensed Matter
Jan 2, 2013
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Researchers are creating graphene p-n junctions by transferring films of the electronic material to substrates that have been patterned by compounds that are either strong electron donors or electron acceptors.
Nanophysics
Dec 10, 2012
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In many respects, metamaterials are supernatural. These manmade materials, with their intricately designed structures, bend electromagnetic waves in ways that are impossible for materials found in nature. Scientists are investigating ...
Condensed Matter
Nov 14, 2012
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In Harvard's Pierce Hall, the surface of a small germanium-coated gold sheet shines vividly in crimson. A centimeter to the right, where the same metallic coating is literally only about 20 atoms thicker, the surface is a ...
Nanophysics
Oct 14, 2012
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