Engineers at Duke University have devised a new approach to using sound waves to manipulate tiny particles suspended in liquid in complex ways. Dubbed a "shadow waveguide," the technique uses only two sound sources to create ...
General Physics
Aug 18, 2021
0
1003
Researchers at Caltech have designed a way to levitate and propel objects using only light, by creating specific nanoscale patterning on the objects' surfaces.
Optics & Photonics
Mar 19, 2019
5
3508
(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
4
0
Physicists at the Australian National University (ANU) are using nanoparticles to develop new sources of light that will allow us to "peel back the curtain" into the world of extremely small objects—thousands of times smaller ...
Nanophysics
Apr 26, 2023
0
31
While DIY acoustic levitation kits can be found online, the technique has important applications for research and industry including manipulating sensitive material such as biological cells.
General Physics
Oct 19, 2022
0
68
Creating molecular microrobots that mimic the abilities of living organisms is a dream of nanotechnology, as illustrated by the renowned physicist Richard Feynman. There are a number of challenges in achieving this goal. ...
Nanophysics
Nov 29, 2021
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50
Researchers from Chalmers University of Technology, Sweden, have succeeded in creating tiny vehicles powered by nothing but light. By layering an optical metasurface onto a microscopic particle, and then using a light source ...
Nanophysics
Sep 28, 2021
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36
Researchers at ETH and Empa have shown that tiny objects can be made from silicon that are much more deformable and stronger than previously thought. In this way, sensors in smartphones could be made smaller and more robust.
Materials Science
Jun 10, 2020
0
105
Princeton researchers have uncovered new rules governing how objects absorb and emit light, fine-tuning scientists' control over light and boosting research into next-generation solar and optical devices.
Condensed Matter
Dec 23, 2019
0
3101
Researchers from the Paul Scherrer Institute and the Indian Institute of Science Education and Research (Pune, India) have managed to 'turn off' the magnetization of every second molecule in an array of magnetized molecules ...
Condensed Matter
Jan 31, 2013
0
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