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Nanotube therapy takes aim at breast cancer stem cells | Science News. Nanoshell whispering galleries improve thin solar panels | Science News. Engineers weld nanowires with light. At the nano level, researchers at Stanford have discovered a new way to weld together meshes of tiny wires. Their work could lead to innovative electronics and solar applications. To succeed, they called upon plasmonics. One area of intensive research at the nanoscale is the creation of electrically conductive meshes made of metal nanowires. Promising exceptional electrical throughput, low cost and easy processing, engineers foresee a day when such meshes are common in new generations of touch-screens, video displays, light-emitting diodes and thin-film solar cells. Standing in the way, however, is a major engineering hurdle: In processing, these delicate meshes must be heated or pressed to unite the crisscross pattern of nanowires that form the mesh, damaging them in the process.
Self-limiting At the heart of the technique is the physics of plasmonics, the interaction of light and metal in which the light flows across the surface of the metal in waves, like water on the beach. Transparency. 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 dedicated to advancing this frontier. Rigoberto Hernandez, a professor in the School of Chemistry and Biochemistry, investigates these relationships by studying three-dimensional particle dynamics simulations on high-performance computers.
His new findings, which focus on the movements of a spherical probe amongst static needles, have landed on the cover of February's The Journal of Physical Chemistry B. Hernandez and his former Ph.D. student, Ashley Tucker, assembled the rodlike scatterers in one of two states during his simulations: disordered (isotropic) and ordered (nematic). As the density of the scatterers is increased, the channels become more and more crowded. Explore further: Chemists design nanoparticles that can deliver three cancer drugs at a time. DNA motors on | Science News. Is this the birth of 3D liquid crystal displays? | Science News. Cyborg Generation: It’s Not Just Siri, Prepare To Be Assimilated | Science News. Nanotechnology: Will it kill us all? | ExtremeTech | Science News. How to clean your clothes without water | Science News. Bubbles Propel Microrockets Through Acid : Discovery News | Science News. Nanotechnology May Lead To The End Of Laundry Forever | Wake Up World | Science News.
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