News tagged with energy density

A nanoscale glimpse of batteries in action

Lithium–oxygen (Li–O2) batteries are a new type of experimental battery that electric car manufacturers are hoping will address the issue of limited driving range. Unlike the lithium-ion batteries used ...

Sep 13, 2013
4.7 / 5 (6) 0 | with audio podcast

Metamaterials could reduce friction in nanomachines

(PhysOrg.com) -- Nanoscale machines expected to have wide application in industry, energy, medicine and other fields may someday operate far more efficiently thanks to important theoretical discoveries concerning the manipulation ...

Dec 07, 2009
3.9 / 5 (7) 2

New beam source for Brookhaven accelerators

(PhysOrg.com) -- A new source of ions will soon be the starting point for the beams entering two major research facilities at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory - the Relativistic ...

Oct 15, 2010
5 / 5 (5) 0 | with audio podcast

Team maps the nuclear landscape

An Oak Ridge National Laboratory and University of Tennessee team has used the Department of Energy's Jaguar supercomputer to calculate the number of isotopes allowed by the laws of physics.

Jun 27, 2012
5 / 5 (5) 1 | with audio podcast

Harvesting vibrations to power microsensors

Battery replacement may soon be a thing of the past. Researchers from A*STAR's Institute of Microelectronics (IME) are tapping into low frequency vibrations, the most abundant and ubiquitous energy source in the surroundings, ...

Feb 06, 2014
5 / 5 (4) 1 | with audio podcast

Using single quantum dots to probe nanowires

Modern telecommunications happens because of fast electrons and fast photons. Can it get better? Can Moore's law—the doubling of computing power ever 18 months or so—be sustained? Can the compactness ...

Feb 05, 2013
4.3 / 5 (4) 0 | with audio podcast