Acoustic waves in gases, liquids, and solids usually travel at an almost constant speed of sound. So-called rotons are an exception: their speed of sound changes significantly with the wavelength, and it is also possible ...
General Physics
Jun 10, 2021
1
568
A research group from Tohoku University has developed spintronics devices which are promising for future energy-efficient and adoptive computing systems, as they behave like neurons and synapses in the human brain.
Nanophysics
Apr 17, 2019
0
57
(Phys.org) —Researchers at the University of the West of England have found that the feeding fronds on a type of slime mold have a property known memory resistance, which has been shortened to the term memristance. In their ...
Solar cells, light emitting diodes, displays and other electronic devices could get a bump in performance because of a discovery at the Department of Energy's Oak Ridge National Laboratory that establishes new boundaries ...
Materials Science
Feb 21, 2012
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0
With a flick of a switch, current technologies allow you to quickly change materials from being dark to light, or cold to hot, just by blocking or transmitting specific wavelengths. But now, inspired by squid skin, researchers ...
Nanomaterials
Jun 28, 2023
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102
Researchers in Korea succeeded in developing a core material for the next-generation neuromorphic (neural network imitation) semiconductor for the first time in the country. This is a result of a research team led by Dr. ...
Nanomaterials
Nov 8, 2021
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45
Researchers in Japan have created a hybrid scaffold which promotes regeneration of skin in live animals while maintaining mechanical strength making it a promising material for future skin tissue engineering. This research ...
Materials Science
Dec 6, 2012
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0
Researchers discovered a new way to engineer optoelectronic devices by stretching a two-dimensional material on top of a silicon photonic platform. Using this method, coined strainoptronics by a team led by George Washington ...
Optics & Photonics
Jun 22, 2020
0
790
Two-dimensional materials, which consist of a single layer of atoms, exhibit unusual properties that could be harnessed for a wide range of quantum and microelectronics systems. But what makes them truly special are their ...
Nanomaterials
Aug 25, 2022
0
149
Ultraviolet (UV) rays are electromagnetic waves with wavelengths ranging from 100 to 380 nanometers (nm). These wavelengths can be classified into three regions: UV-A (315–380 nm), UV-B (280–315 nm), and UV-C (100–280 ...
Optics & Photonics
Oct 20, 2023
0
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