News tagged with effect
Using lasers to cool and manipulate molecules
Dec 07, 2009 |
5 / 5 (8) |
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(PhysOrg.com) -- "For years, we have been using laser cooling to trap and manipulate atoms," David DeMille tells PhysOrg.com. "This has been very useful for both basic science and many applications. Recent ...
Researchers create 'synthetic magnetic fields' for neutral atoms
Dec 02, 2009 |
4.9 / 5 (15) |
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(PhysOrg.com) -- Achieving an important new capability in ultracold atomic gases, researchers at the Joint Quantum Institute, a collaboration of the National Institute of Standards and Technology and the University ...
Proton's party pals may alter its internal structure
Nov 18, 2009 |
4.6 / 5 (20) |
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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 study confirms exotic electric properties of graphene
Nanotechnology / Nanomaterials
Nov 17, 2009 |
4.8 / 5 (23) |
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(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: ...
Toshiba develops essential technology for spintronics-based MOS field-effect transistor
23 hours ago |
4.9 / 5 (8) |
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(PhysOrg.com) -- Toshiba Corporation today announced that it has developed MOSFET cell based on spin transport electronics, or spintronics, an advanced semiconductor technology that makes use of the spin and ...
Scientists show that female fruit flies can be 'too attractive' to males
Dec 08, 2009 |
4.7 / 5 (3) |
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Females can be too attractive to the opposite sex -- too attractive for their own good -- say biologists at UC Santa Barbara. They found that, among fruit flies, too much male attention directed toward attractive ...
Metamaterials could reduce friction in nanomachines
Nanotechnology / Nanomaterials
Dec 07, 2009 |
5 / 5 (4) |
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(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 ...
New research provides blueprint for molecular basis of global warming
Nov 17, 2009 |
4 / 5 (4) |
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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.
Measuring Electron Orbitals
Nov 16, 2009 |
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(PhysOrg.com) -- For the first time, it has been possible to measure electron density in individual molecular states using what is known as the photoelectric effect. Now published in Science, this method repres ...
Researchers take the lead out of piezoelectrics
Nov 13, 2009 |
3 / 5 (2) |
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There is good news for the global effort to reduce the amount of lead in the environment and for the growing array of technologies that rely upon the piezoelectric effect. A lead-free alternative to the current ...
New evidence that dark chocolate helps ease emotional stress
Nov 11, 2009 |
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The "chocolate cure" for emotional stress is getting new support from a clinical trial published online in ACS' Journal of Proteome Research.
Young adults' blood lead levels linked to depression, panic disorder
Medicine & Health / Psychology & Psychiatry
Dec 07, 2009 |
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Young adults with higher blood lead levels appear more likely to have major depression and panic disorders, even if they have exposure to lead levels generally considered safe, according to a report in the December issue ...
Smokeless tobacco called 'moist snuff' is contaminated with harmful substances
Dec 03, 2009 |
1.5 / 5 (2) |
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A new study on the smokeless tobacco product called moist snuff — placed between lip and gum — has led scientists in Minnesota to urge the tobacco industry to change manufacturing practices to reduce snuff's ...
Scientists identify possible therapy target for aggressive cancer
Dec 01, 2009 |
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UT Southwestern Medical Center researchers have found that a naturally occurring protein -- transforming growth factor beta1 (TGF-ß1) -- which normally suppresses the growth of cancer cells, causes a rebound effect after ...
Destruction spreads 'like a disease'
Nov 25, 2009 |
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(PhysOrg.com) -- People have cleared more than a quarter of the world’s forests and half of its grasslands, according to a paper published today in the Proceedings of the Royal Society by researchers from The University of Que ...
