News tagged with effect

results timeline


Researchers find human protein that prevents H1N1 influenza infection

Medicine & Health / Research

created Dec 17, 2009 | popularity 5 / 5 (5) | comments 1

Howard Hughes Medical Institute researchers have identified a naturally occurring human protein that helps prevent infection by H1N1 influenza and other viruses, including West Nile and dengue virus.


Using lasers to cool and manipulate molecules

Using lasers to cool and manipulate molecules

Physics / General Physics

created Dec 07, 2009 | popularity 4.8 / 5 (13) | comments 0

(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 ...


Study redefines placebo effect as part of effective treatment

Medicine & Health / Psychology & Psychiatry

created Dec 22, 2009 | popularity not rated yet | comments 0

Researchers used the placebo effect to successfully treat psoriasis patients with one quarter to one half of their usual dose of a widely used steroid medication, according to an early study published online today in the ...


Researchers create 'synthetic magnetic fields' for neutral atoms

Researchers create 'synthetic magnetic fields' for neutral atoms

Physics / Quantum Physics

created Dec 02, 2009 | popularity 4.9 / 5 (15) | comments 2

(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 ...


Physicists Explain How Human Eyes Can Detect Quantum Effects

Physicists Explain How Human Eyes Can Detect Quantum Effects

Physics / Quantum Physics

created Sep 29, 2009 | popularity 4.2 / 5 (46) | comments 19

(PhysOrg.com) -- By greatly amplifying one photon from an entangled photon pair, physicists have theoretically shown that human eyes can be used as detectors to observe quantum effects. Usually, detecting ...


Toshiba develops essential technology for spintronics-based MOS field-effect transistor

Toshiba develops essential technology for spintronics-based MOS field-effect transistor

Technology / Semiconductors

created Dec 09, 2009 | popularity 4.5 / 5 (11) | comments 1

(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 ...


UCSB scientists show that female fruit flies can be 'too attractive' to males

Scientists show that female fruit flies can be 'too attractive' to males

Biology / Plants & Animals

created Dec 08, 2009 | popularity 4 / 5 (5) | comments 0

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

created Dec 07, 2009 | popularity 5 / 5 (4) | comments 2

(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 ...


Ecosystem, vegetation affect intensity of urban heat island effect

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 5 / 5 (2) | comments 0

NASA researchers studying urban landscapes have found that the intensity of the "heat island" created by a city depends on the ecosystem it replaced and on the regional climate. Urban areas developed in arid and semi-arid ...


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: ...


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 Smart Material Bends Under Internal Heat Source

New Smart Material Bends Under Internal Heat Source

Physics / Condensed Matter

created Feb 06, 2009 | popularity 4 / 5 (9) | comments 6

(PhysOrg.com) -- Scientists have developed a new smart material that can bend under the influence of an internal heat source. The material could be used as an aerodynamic flap in cars, in order to stabilize ...


Argonne scientists to control attractive force for nanoelectromechanical systems

Nanotechnology / Nanophysics

created Dec 10, 2009 | popularity 3 / 5 (2) | comments 1

Scientists at the U.S. Department of Energy's Argonne National Laboratory are developing a way to control the Casimir force, a quantum mechanical force, which attracts objects when they are only hundred nanometers apart.


Observing the Quantum Hall Effect in 'Real' Space

Physics / General Physics

created Jan 12, 2009 | popularity 4.2 / 5 (14) | comments 5

(PhysOrg.com) -- When water transforms into steam, or magnetized iron changes to demagnetized iron, Katsushi Hashimoto explains to PhysOrg.com, a phase transition is taking place: “Classical phase transitions…often share ...


Inequality, 'silver spoon' effect found in ancient societies

Other Sciences / Social Sciences

created Oct 29, 2009 | popularity 3.8 / 5 (16) | comments 22

The so-called "silver spoon" effect -- in which wealth is passed down from one generation to another -- is well established in some of the world's most ancient economies, according to an international study coordinated by ...