A new membrane developed at the University of Rochester's Laboratory for Laser Energetics blocks gas from flowing through it when one color of light is shined on its surface, and permits gas to flow through when another color ...
Optics & Photonics
Aug 1, 2010
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In northern communities, seasonal snow plays a central role in day-to-day activities.
General Physics
Jan 13, 2023
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18
Scientists from the University of Warsaw, the Military University of Technology and the University of Southampton presented a new type of tunable microlaser emitting two beams. "These beams are polarized circularly and directed ...
Optics & Photonics
Mar 23, 2022
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12
Liquid crystals are not solid, but some of their physical properties are directional—like in a crystal. This is because their molecules can arrange themselves into certain patterns. The best-known applications include flat ...
Soft Matter
Dec 6, 2021
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33
Liquid and solid—most people are unaware that there can be states in between. Liquid crystals are representative of one such state. While the molecules in liquids swim around at random, neighboring molecules in liquid crystals ...
Materials Science
Oct 1, 2019
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13
You may not know it, but you probably spend several hours a day looking at nematic liquid crystals; they are used in virtually every smartphone, computer and TV screen. They are liquids composed of elongated molecules, which ...
General Physics
Jun 4, 2019
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8
Negative pressure governs not only the Universe or the quantum vacuum. This phenomenon, although of a different nature, appears also in liquid crystals confined in nanopores. At the Institute of Nuclear Physics of the Polish ...
Condensed Matter
Apr 25, 2019
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7
Imagine a micron-sized ball of fluid enclosed in a thin film, similar to the film in soap bubbles, but made up of molecules resembling liquid crystal. These molecules can lower their overall energy by aligning their directions ...
Condensed Matter
Dec 19, 2018
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4
RUDN engineers have discovered substances to simplify the production of flexible LCD screens that display 3-D images. The work has been published in the Journal of the Society for Information Display.
Materials Science
Oct 17, 2018
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31
"Living" liquid crystals combine the properties of human-made liquid crystals with features of swimming bacteria. Scientists built an accurate model of how the crystals control the motion, transport and position of swimming ...
Condensed Matter
Oct 23, 2017
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