News tagged with energy barrier


Molecular Junctions

Researchers discover a potential on-off switch for nanoelectronics

Nanotechnology / Nanophysics

created Mar 03, 2009 | popularity 4.9 / 5 (11) | comments 2

As electronic circuits shrink from finely etched lines in silicon wafers to nearly elusive proportions, researchers at the U.S. Department of Energy's Lawrence Berkeley National Laboratory and Columbia University ...





Search results for energy barrier


Scientists find new link between insulin and core body temperature

Medicine & Health / Diseases

created Nov 19, 2009 | popularity 5 / 5 (1) | comments 0

A team led by scientists at The Scripps Research Institute have discovered a direct link between insulin—a hormone long associated with metabolism and metabolic disorders such as diabetes—and core body temperature. While ...


Liquid battery big enough for the electric grid?

Liquid battery big enough for the electric grid?

Technology / Energy

created Nov 19, 2009 | popularity 4.4 / 5 (7) | comments 3

(PhysOrg.com) -- There's one major drawback to most proposed renewable-energy sources: their variability. The sun doesn't shine at night, the wind doesn’t always blow, and tides, waves and currents fluctuate. ...


Crashing the size barrier

Crashing the size barrier

Physics / General Physics

created Nov 18, 2009 | popularity 4.5 / 5 (15) | comments 6

Like surfers on monster waves, electrons can ride waves of plasma to very high energies in a very short distance. Scientists have proven that plasma acceleration works. Now they're developing it as a way to ...


How much is nature worth?

How much is nature worth?

Space & Earth / Environment

created Nov 13, 2009 | popularity 2 / 5 (4) | comments 1

How much is nature worth? £1 billion? £100 billion? £1 trillion? The loss of our forests and biodiversity in general could cost us between £1.2-2.8 trillion a year, according to Pavan Sukhdev, who is giving ...


Research helps overcome barrier for organic electronics

Research helps overcome barrier for organic electronics

Nanotechnology / Nanomaterials

created Nov 10, 2009 | popularity 4.9 / 5 (10) | comments 0

(PhysOrg.com) -- Electronic devices can't work well unless all of the transistors, or switches, within them allow electrical current to flow easily when they are turned on. A team of engineers has determined ...


The Stars My Destination

The Stars My Destination

Space & Earth / Space Exploration

created Nov 10, 2009 | popularity 4.8 / 5 (23) | comments 2

The Voyager spacecraft are now in the outermost layer of the heliosphere, traveling toward interstellar space - the first man-made spacecraft to travel such a vast distance from Earth.


Computer predicts reactions between molecules and surfaces, with 'chemical precision'

Chemistry / Analytical Chemistry

created Nov 06, 2009 | popularity 5 / 5 (2) | comments 0

Good news for heterogeneous catalysis and the hydrogen economy: computers can now be used to make accurate predictions of the reactions of (hydrogen) molecules with surfaces. An international team of researchers, headed by ...


Termites? gut reactions show how to improve renewable fuel, researchers say

Biology / Biotechnology

created Nov 04, 2009 | popularity 2.5 / 5 (2) | comments 0

(PhysOrg.com) -- Termite damage costs the U.S. more than $1 billion each year, but that same destructive power might help solve one of the nation’s most pressing economic quandaries: sustainable fuel production.


Laser etching safe alternative for labeling grapefruit

Laser etching safe alternative for labeling grapefruit

Biology / Other

created Nov 03, 2009 | popularity 4.4 / 5 (14) | comments 8

Laser labeling of fruit and vegetables is a new, patented technology in which a low-energy carbon dioxide laser beam is used to label, or "etch" information on produce, thereby eliminating the need for common ...


Colorado county copes with methane mystery (AP)

Colorado county copes with methane mystery

Space & Earth / Environment

created Nov 02, 2009 | popularity 4.8 / 5 (4) | comments 7

(AP) -- Bernice and Jerry Angely like to show visitors the singed T-shirt a friend was wearing when their water well exploded and shot flames 30 feet high.



List of search results for energy barrier