News tagged with hall effect


New study confirms exotic electric properties of graphene

New study confirms exotic electric properties of graphene

Nanotechnology / Nanomaterials

created Nov 17, 2009 | popularity 4.8 / 5 (23) | comments 1

(PhysOrg.com) -- First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: ...





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Proton's party pals may alter its internal structure

Proton's party pals may alter its internal structure

Physics / General Physics

created Nov 18, 2009 | popularity 4.6 / 5 (20) | comments 9

A recent experiment at the DOE's Thomas Jefferson National Accelerator Facility has found that a proton's nearest neighbors in the nucleus of the atom may modify the proton's internal structure.


New effort probes how two groups of viruses cause disease

New effort probes how two groups of viruses cause disease

Biology / Cell & Microbiology

created Nov 18, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Purdue University is leading a team of researchers in a federally funded effort aimed ultimately at developing better vaccines and antiviral drugs against two types of disease-causing viruses ...


Oceans' uptake of manmade carbon may be slowing

Oceans' uptake of manmade carbon may be slowing

Space & Earth / Earth Sciences

created Nov 18, 2009 | popularity 3.8 / 5 (23) | comments 9

The oceans play a key role in regulating climate, absorbing more than a quarter of the carbon dioxide that humans put into the air. Now, the first year-by-year accounting of this mechanism during the industrial ...


NASA Provides Venerable Hubble Hardware to Smithsonian

NASA Provides Venerable Hubble Hardware to Smithsonian

Space & Earth / Space Exploration

created Nov 19, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Two key instruments from NASA's Hubble Space Telescope have a new home in the Smithsonian's National Air and Space Museum in Washington after being returned to Earth aboard space shuttle Atlantis ...


FDA says heartburn drugs can interfere with Plavix (AP)

FDA says heartburn drugs can interfere with Plavix

Medicine & Health / Medications

created Nov 17, 2009 | popularity not rated yet | comments 0

(AP) -- Federal health officials said Tuesday a popular variety of heartburn medications can interfere with the blood thinner Plavix, a drug taken by millions of Americans to reduce risks of heart attack ...


Aquatic creatures mix ocean water

Physics / General Physics

created 6 hours ago | popularity 5 / 5 (3) | comments 0

Understanding mixing in the ocean is of fundamental importance to modeling climate change or predicting the effects of an El Niño on our weather. Modern ocean models primarily incorporate the effects of winds and tides. However, ...


NASA and Microsoft Allow Earthlings to Become Martians

NASA and Microsoft Allow Earthlings to Become Martians

Space & Earth / Space Exploration

created Nov 17, 2009 | popularity 5 / 5 (5) | comments 0

(PhysOrg.com) -- NASA and Microsoft Corp. of Redmond, Wash., have collaborated to create a Web site where Internet users can have fun while advancing their knowledge of Mars.


Antifibrotic effects of green tea

Medicine & Health / Health

created Nov 18, 2009 | popularity 4 / 5 (1) | comments 0

Several studies have shown that lipid peroxidation stimulates collagen production in fibroblasts and hepatic stellate cells (HSC), and plays an important role in the development of liver fibrosis. Hepatoprotective effects ...


Don't Blame Tryptophan for Thanksgiving Snooze

Don't Blame Tryptophan for Thanksgiving Snooze

Medicine & Health / Health

created Nov 20, 2009 | popularity 4.6 / 5 (5) | comments 0

(PhysOrg.com) -- Blame it on the heavy meal, the alcohol, or simply the opportunity afforded by a free afternoon on a traditional holiday. Just don't blame it on the tryptophan, say experts at the University ...


New research provides blueprint for molecular basis of global warming

New research provides blueprint for molecular basis of global warming

Chemistry / Materials Science

created Nov 17, 2009 | popularity 4 / 5 (4) | comments 3

A new study indicates that major chemicals most often cited as leading causes of climate change, such as carbon dioxide and methane, are outclassed in their warming potential by compounds receiving less attention.



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