Authors: George Rajna
Tiny "walking" proteins could be used to investigate mechanical deformations in soft materials according to Hokkaido University researchers.  Water has profound implications in our world. From its known, yet not fully understood role in mediating protein folding dynamics and proton transport in membranes, water is a key player, influencing the mechanics of many biological and synthetic processes.  A team of mechanical engineers at the University of California San Diego has successfully used acoustic waves to move fluids through small channels at the nanoscale.  Research Triangle engineers have developed a simple, energy-efficient way to create three-dimensional acoustic holograms. The technique could revolutionize applications ranging from home stereo systems to medical ultrasound devices.  Researchers have used the pressure of light—also called optical forces or sometimes "tractor beams"—to create a new type of rewritable, dynamic 3D holographic material. Unlike other 3D holographic materials, the new material can be rapidly written and erased many times, and can also store information without using any external energy. The new material has potential applications in 3D holographic displays, large-scale volumetric data storage devices, biosensors, tunable lasers, optical lenses, and metamaterials.  Devices based on light, rather than electrons, could revolutionize the speed and security of our future computers. However, one of the major challenges in today's physics is the design of photonic devices, able to transport and switch light through circuits in a stable way.  Researchers characterize the rotational jiggling of an optically levitated nanoparticle, showing how this motion could be cooled to its quantum ground state.  Researchers have created quantum states of light whose noise level has been " squeezed " to a record low.  An elliptical light beam in a nonlinear optical medium pumped by " twisted light " can rotate like an electron around a magnetic field.  Physicists from Trinity College Dublin's School of Physics and the CRANN Institute, Trinity College, have discovered a new form of light, which will impact our understanding of the fundamental nature of light. 
Comments: 34 Pages.
[v1] 2016-11-30 08:27:51
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