Human voices are individually recognizable because they're generated by the unique components of each person's voice box, pharynx, esophagus and other physical structures.
Energy & Green Tech
Feb 29, 2016
12
77
Researchers from the Max Planck Institute for Plasma Physics (IPP) produced the first helium plasma in the Wendelstein 7-X stellarator last December. Since then, they have cleaned the plasma vessel with many more helium discharges. ...
Plasma Physics
Feb 5, 2016
1
251
When you're on the go and your smartphone battery is low, in the not-so-distant future, you could charge it simply by plugging it into … your shoe.
Engineering
Feb 4, 2016
0
59
(Phys.org)—Currently, commercial wireless power transfer is limited mainly to charging pads for phones: instead of plugging your phone directly into the wall, simply place it on top of a wireless charging pad. In the future, ...
A two-stage power management and storage system could dramatically improve the efficiency of triboelectric generators that harvest energy from irregular human motion such as walking, running or finger tapping.
Nanophysics
Jan 11, 2016
2
943
A team of engineers from Cornell University, the University of Notre Dame and the semiconductor company IQE has created gallium nitride (GaN) power diodes capable of serving as the building blocks for future GaN power switches—with ...
Condensed Matter
Dec 15, 2015
0
684
Wide-gap semiconductors such as gallium nitride (GaN) are widely used for optical devices such as blue LED and are also anticipated as materials for next-generation energy saving power devices and solar cells. However, the ...
Optics & Photonics
Oct 7, 2015
0
19
While our gadgets these days are constantly getting smaller and more powerful, the development of commercial batteries both small enough and with sufficient capacity to feed their power-hungry demands has not quite kept pace.
Nanomaterials
Aug 11, 2015
0
31
It was a very interesting week for physics as experiments at the LHC showed that a particle known as the "beauty quark" behaved as has been predicted by the Standard Model and thus represented a new blow for the "supersymmetry" ...
Mobile devices, such as smartphones and laptops, have become indispensable portable items in modern life, but one big challenge remains to fully enjoying these devices: keeping their batteries charged.
Engineering
Jul 7, 2015
1
189
