(Phys.org)—The cherished portability of many popular electronics, from smart phones to laptops, mostly comes courtesy of lithium-ion batteries. Unfortunately, these dense and lightweight energy storage devices begin to ...
Materials Science
Nov 27, 2012
1
0
The first functional "cloaking" device reported by Duke University electrical engineers in 2006 worked like a charm, but it wasn't perfect. Now a member of that laboratory has developed a new design that ties up one of the ...
General Physics
Nov 11, 2012
3
0
Reza Shahbazian-Yassar thinks sodium might be the next big thing in rechargeable batteries.
Energy & Green Tech
Oct 8, 2012
4
0
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
5
0
(Phys.org)—Renewable energies such as wind, sun and biogas are set to become increasingly important in generating electricity. If increasing numbers of wind turbines and photovoltaic systems feed electrical energy into ...
General Physics
Sep 14, 2012
21
0
A team of engineers at Stanford has demonstrated the feasibility of a super-small, implantable cardiac device that gets its power not from batteries, but from radio waves transmitted from outside the body. The implanted device ...
Engineering
Aug 31, 2012
0
0
Biomedical engineer Muhammet Uzuntarla from Bulent Ecevit University, Turkey, and his colleagues present a biologically accurate model of the underlying noise which is present in the nervous system. The article is about to ...
General Physics
Aug 15, 2012
0
1
Researchers from North Carolina State University have developed a new way to fine-tune wireless power transfer (WPT) receivers, making the systems more efficient and functional. WPT systems hold promise for charging electric ...
Engineering
May 15, 2012
1
0
Electron microscopy, conducted as part of the Shared Research Equipment (ShaRE) User Program at the Department of Energy's Oak Ridge National Laboratory, has led to a new theory to explain intriguing properties in a material ...
Condensed Matter
Apr 13, 2012
0
0
Transmission system operators must assess precisely the supply of electricity from renewable energies for the next day in order to market this electricity on the European Power Exchange as effectively as possible. The sharply ...
Software
Apr 4, 2012
0
0
