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News tagged with limiter

Researchers find molybdenite may be better suited for integrated logic circuits than graphene

(PhysOrg.com) -- Because of its physical limitations, silicon use in tiny integrated logic circuits will have to one day soon be replaced by something that can work in a smaller state. That is, if we want ...

Nanotechnology / Nanomaterials

created Feb 01, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast report

Scientists design solar cells that exceed the conventional light-trapping limit

(PhysOrg.com) -- The best performing solar cells are those that are thick enough to absorb light from the entire solar spectrum, while the cheapest solar cells are thin ones, since they require less, and potentially ...

Nanotechnology / Nanophysics

created Jan 20, 2012 | popularity 4.7 / 5 (36) | comments 27 | with audio podcast feature

Researchers uncover transparency limits on transparent conducting oxides

Researchers in the Computational Materials Group at the University of California, Santa Barbara (UCSB) have uncovered the fundamental limits on optical transparency in the class of materials known as transparent ...

Physics / Condensed Matter

created Jan 18, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

A new artificial intelligence technique to speed the planning of tasks when resources are limited

Scientists at Universidad Carlos III in Madrid have presented a new technique based on artificial intelligence that can automatically create plans, allowing problems to be solved with much greater speed than ...

Technology / Computer Sciences

created Jan 17, 2012 | popularity 1 / 5 (1) | comments 0

A breakthrough in superlens development: Cheap, simple lens to let us see a single virus

A superlens would let you see a virus in a drop of blood and open the door to better and cheaper electronics. It might, says Durdu Guney, make ultra-high-resolution microscopes as commonplace as cameras in ...

Physics / Optics & Photonics

created Jan 09, 2012 | popularity 4.8 / 5 (28) | comments 4 | with audio podcast

Prospective surveillance model emerges as standard of care for breast cancer treatment

Early diagnosis and treatment of breast cancer-related lymphedema by a physical therapist can significantly reduce costs and the need for intensive rehabilitation, according to an article published in the January issue of ...

Medicine & Health / Cancer

created Jan 06, 2012 | popularity not rated yet | comments 0

Increase in motorway speed limit poses risks to health

Government plans to increase the motorway speed limit in England and Wales will have adverse effects on health, outweighing any economic benefits, claims an editorial published in the British Medical Journal today.

Medicine & Health / Health

created Jan 06, 2012 | popularity 1.5 / 5 (2) | comments 6

Is pregnancy a disability?

(Medical Xpress) -- The Americans with Disabilities Act should be expanded to include pregnant workers, according to research to be presented Thursday, Jan. 5, at the American Association of Law Schools annual ...

Medicine & Health / Health

created Jan 04, 2012 | popularity not rated yet | comments 0

Finnish team devise nanomechanical microwave amplifier with near least possible noise generation

(PhysOrg.com) -- A team of Finnish physicists has developed a novel way to amplify a microwave signal that unlike other amplifiers, produces noise that is just barely above that which is necessary due to the ...

Physics / General Physics

created Dec 15, 2011 | popularity 4.8 / 5 (6) | comments 4 | with audio podcast report

Three-year study identifies key interventions to reduce maternal, newborn and child deaths

Some 56 evidence-based interventions will sharply reduce the 358,000 women who still die each year during pregnancy and childbirth and the 7.6 million children who die before the age of 5, according to a massive three-year ...

Medicine & Health / Health

created Dec 15, 2011 | popularity not rated yet | comments 0

World's first demonstration of multi-vendor equipment interoperability in transmitting 100 gigabit ethernet signals over

Fujitsu Limited, NEC Corporation, and Anritsu Corporation today jointly announced that, in field tests, for the first time in the world they successfully demonstrated interoperability testing for optical network interface ...

Technology / Telecom

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

Microsoft to open 'app store' in February

Microsoft began wooing developers for a February opening of its first "app store" for computers powered by the US technology giant's Windows software.

Technology / Software

created Dec 07, 2011 | popularity 3.7 / 5 (3) | comments 2

Radiation traces found in Japanese baby formula

(AP) -- Traces of radiation spilled from Japan's hobbled nuclear plant were detected in baby formula Tuesday in the latest case of contaminated food in the nation.

Medicine & Health / Health

created Dec 06, 2011 | popularity not rated yet | comments 1

Time to test assumptions about health effects that guide risk assessment: toxicologist

Governments and the nuclear industry have failed to address serious data gaps and untested assumptions guiding exposure limits to Cesium (Cs)-137 released in the Chernobyl accident in 1986 and this year's incident at Fukushima, ...

Medicine & Health / Health

created Nov 21, 2011 | popularity not rated yet | comments 0 | with audio podcast

Higher minimum legal drinking ages linked to lower rates of suicides and homicides later in life

Prior to the 1984 passage of a uniform drinking-age limit of 21 years in the U.S., many states permitted the legal purchase of alcohol at age 18. These lower drinking ages have been associated with several adverse outcomes ...

Medicine & Health / Health

created Nov 15, 2011 | popularity 3 / 5 (2) | comments 1