Wireless charging has been around for a several years now, but it's never really been that good. Until now, that is. The Nokia Lumia 920 and Lumia 820 (with the aid of the recharging shell) are the first Nokia smartphones ...
Consumer & Gadgets
Oct 2, 2012
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0
(Phys.org)—A team of scientists and engineers at the University of Minnesota has invented a unique microscale optical device that could greatly increase the speed of downloading information online and reduce the cost of ...
Optics & Photonics
Oct 2, 2012
7
0
The German energy transition makes it necessary to extend the transmission grid. Karlsruhe Institute of Technology (KIT), together with the grid operator TenneT, now studies the use of superconductor technology as an alternative ...
Energy & Green Tech
Jul 6, 2018
0
21
A strong solar flare is blasting its way to Earth, but the worst of its power looks like it will barely skim above the planet and not cause many problems.
Space Exploration
Sep 10, 2014
80
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Over the next two decades, the U.S. electric grid will face unprecedented technological challenges stemming from the growth of distributed and intermittent new energy sources such as solar and wind power, as well as an expected ...
Energy & Green Tech
Dec 5, 2011
2
0
In 1916, famed theoretical physicist Albert Einstein put the finishing touches on his theory of general relativity, a geometric theory for how gravity alters the curvature of spacetime. The revolutionary theory remains foundational ...
Astronomy
Nov 6, 2023
2
97
Severe weather conditions triggered by climate change can adversely affect the operation of power plants.
Environment
Jan 22, 2020
2
5
(Phys.org) —Here is the idea: flying power plants in the sky as a means of providing clean, renewable energy. Here is more of the idea: this would be a high-altitude aerial power plant that harvests energy from solar, ...
The wireless data transmission via mobile communication is reliable and affordable. However, data volume per user is rising exponentially. Causes are not only the continuously growing number of smartphones, but also trends ...
Electronics & Semiconductors
Aug 1, 2016
0
17
(Phys.org) —Physicists at the University of Arkansas have collaborated with scientists in the United States and Asia to discover that a crucial ingredient of high-temperature superconductivity could be found in an entirely ...
Superconductivity
May 28, 2013
17
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