News tagged with energy barrier

Gulf Coast residents say BP Oil Spill changed their environmental views, research finds

University of New Hampshire researchers have found that residents of Louisiana and Florida most acutely and directly affected by the BP Deepwater Horizon disaster -- the largest marine oil spill in U.S. history ...

Space & Earth / Environment

created Apr 12, 2012 | popularity 3.7 / 5 (3) | comments 4

Black arsenic: Fact or fiction? Synthesis and identification of metastable compounds

(PhysOrg.com) -- Phosphorus and arsenic are on top of each other in one group of the periodic table, so they have many similar properties. In addition to tubular forms, phosphorus is found in white, red, black, ...

Chemistry / Materials Science

created Feb 17, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Researchers show that gold doping increases nickel catalyst activity for carbon nanostructure formation

(PhysOrg.com) -- Researchers from the CNST and Arizona State University have demonstrated that the overall catalytic activity of nickel particles for the formation of carbon nanostructures is improved by the addition of a ...

Nanotechnology / Nanomaterials

created Oct 13, 2011 | popularity not rated yet | comments 0

Cheers as Australia's carbon tax hits parliament

Cheers erupted in Australia's Parliament House after Prime Minister Julia Gillard presented her bill for a new pollution tax she hopes will help counter climate change.

Space & Earth / Environment

created Sep 13, 2011 | popularity 3.6 / 5 (14) | comments 33

Iowa State, Ames Lab researcher hunts for green catalysts

L. Keith Woo is searching for cleaner, greener chemical reactions. Woo, an Iowa State University professor of chemistry and an associate of the U.S. Department of Energy's Ames Laboratory, has studied catalysts ...

Chemistry / Materials Science

created Mar 07, 2011 | popularity not rated yet | comments 0

Microwave photons can nullify the conductivity of electrons confined to the surface of liquid helium

Trapping electrons in a flat plane prevents them from moving freely in the third dimension and opens the door to a whole range of unusual physics. These effects are harnessed, for example, in modern ultrafast ...

Physics / General Physics

created Feb 10, 2011 | popularity 3.7 / 5 (3) | comments 0

New charging method could greatly reduce battery recharge time

(PhysOrg.com) -- Part of the headache of having to constantly recharge batteries is not just how often they need to be charged, but also the time it takes to charge them. In a new study, researchers have proposed ...

Physics / General Physics

created Mar 11, 2010 | popularity 4.7 / 5 (25) | comments 14 | with audio podcast report

Psychological factors help explain slow reaction to global warming

While most Americans think climate change is an important issue, they don't see it as an immediate threat, so getting people to "go green" requires policymakers, scientists and marketers to look at psychological barriers ...

Medicine & Health / Psychology & Psychiatry

created Aug 07, 2009 | popularity 3.5 / 5 (8) | comments 5

Researchers discover a potential on-off switch for nanoelectronics

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 ...

Nanotechnology / Nanophysics

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