Internet searches, decade-old emails and on-demand video offerings help contribute to electricity consumption by America's server farms and data centers amounting to more than 2 percent of the country's annual total.
General Physics
Jul 11, 2019
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1
A vacuum is generally thought to be nothing but empty space. But in fact, a vacuum is filled with virtual particle-antiparticle pairs of electrons and positrons that are continuously created and annihilated in unimaginably ...
Plasma Physics
Jul 9, 2019
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1
Whether they are synthetic materials such as PET and Teflon, medicines or flavourings, life without synthetically produced compounds is barely conceivable. The chemical industry depends on efficient, long-term methods of ...
Materials Science
Jul 2, 2019
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0
Probing magnetic materials with extreme ultraviolet radiation allows to obtain a detailed microscopic picture of how magnetic systems interact with light—the fastest way to manipulate a magnetic material. A team of researchers ...
General Physics
Jun 3, 2019
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226
When light interacts with a mirror which is moving towards it at a speed close to the speed of light, its wavelength is shifted into the extreme ultraviolet region of the spectrum. This effect was first predicted by Albert ...
Optics & Photonics
Apr 25, 2019
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5
Using ultrashort laser pulses lasting a few picoseconds (trillionths of a second), Lawrence Livermore National Laboratory (LLNL) researchers have discovered an efficient mechanism for laser ablation (material removal) that ...
Optics & Photonics
Apr 4, 2019
0
120
Scientists of the Far Eastern Federal University (FEFU) together with Russian colleagues from ITMO University, researchers at the University of Texas at Dallas, and Australian National University have developed an efficient, ...
Nanophysics
Mar 13, 2019
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36
At the smallest of scales, science can become rather weird. So weird in fact that metals and other materials can be altered to completely change their properties, such as making them resilient to water or bacteria.
Optics & Photonics
Feb 7, 2019
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47
Using machine-learning and an integrated photonic chip, researchers from INRS (Canada) and the University of Sussex (UK) can now customize the properties of broadband light sources. Also called "supercontinuum", these sources ...
Optics & Photonics
Nov 20, 2018
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295
University of Michigan researchers have refined a gas-sniffing device so that it can detect poisonous gases and explosives in less than half a second.
Optics & Photonics
Oct 23, 2018
0
26
