Warming a crystal of the mineral fresnoite, Oak Ridge National Laboratory scientists discovered that excitations called phasons carried heat three times farther and faster than phonons, the excitations that usually carry ...
General Physics
Feb 23, 2023
0
91
When high-frequency shaking occurs at an interface between two solids, recent experiments have revealed that the frictional forces between the objects can be weakened. Through a simple new experiment detailed in The European ...
General Physics
Feb 22, 2023
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4
Lasers are intense beams of colored light. Depending on their color and other properties, they can scan your groceries, cut through metal, eradicate tumors, and even trigger nuclear fusion. But not every laser color is available ...
Optics & Photonics
Jan 19, 2023
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372
The invention of scanning probe microscopy (SPM) techniques, including scanning tunneling microscopy (STM) and atomic force microscopy (AFM), has led to a paradigm shift in the visualization and understanding of surface structures ...
Analytical Chemistry
Jan 18, 2023
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6
On the electromagnetic spectrum, which comprises everything from radio waves to X-rays and gamma rays, there exists a deadzone where conventional electronic devices can hardly operate. This deadzone is occupied by terahertz ...
Optics & Photonics
Dec 15, 2022
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4
A new light source generates ultrashort infrared pulses at wavelengths around 12µm with previously unattained peak intensity and stability. First experiments in vibrational spectroscopy on water demonstrate the high potential ...
Optics & Photonics
Nov 21, 2022
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3
In recent years, manipulating chemistry using hybrid light-matter states called polaritons has generated much research as it combines the speed and efficiency of light with the reactivity and strong interactions of matter. ...
Analytical Chemistry
Nov 17, 2022
0
30
Scientists hope that the electricity generated by renewable energy can be used to convert CO2 into value-added fuels, and the stored energy in these chemicals can be released as electricity through fuel cells or other technologies. ...
Analytical Chemistry
Nov 16, 2022
0
6
NASA's InSight lander (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport) launched in 2018 with the goal of peering deep into Mars's interior for the first time to gain important information about ...
Planetary Sciences
Nov 15, 2022
0
76
Scientists have harnessed Internet-transmitting fiber-optic cables to overcome a long-standing geophysical challenge: identifying where seismic noise in the ocean originates. Tiny vibrations of Earth called microseisms are ...
Earth Sciences
Oct 3, 2022
2
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