News tagged with individual photons


Quantum calibration paves way for super-secure communication

Quantum calibration paves way for super-secure communication

Physics / General Physics

created Nov 17, 2008 | popularity 4.3 / 5 (11) | comments 2

(PhysOrg.com) -- A new approach to calibrating quantum mechanical measurement has been developed with particular applications in optics and super-secure quantum communication.





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Genomic toggle switches divide autoimmune diseases into distinct clusters

Medicine & Health / Genetics

created Dec 23, 2009 | popularity not rated yet | comments 0

Genomic switches can predispose an individual to one set of autoimmune disorders but protect the same person against another set of them, scientists at Stanford University School of Medicine have found.


Figitumumab has anti-tumor activity in Ewing's sarcoma

Medicine & Health / Cancer

created Dec 23, 2009 | popularity not rated yet | comments 0

A preliminary study of the anticancer drug figitumumab has found that it has antitumour activity in Ewing's sarcoma—a cancer which affects mainly teenage boys. The results have led to the drug's progression to a Phase 2 trial ...


Genomic differences identified in common skin diseases

Medicine & Health / Research

created Dec 23, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- If you have dry skin, wet it, if wet skin, dry it. This has been a general rule of dermatology for centuries, but scientists are working to develop more precise treatments for the dozen-plus inflammatory ...


Molecular Transistor

Scientists create world's first molecular transistor

Nanotechnology / Nanophysics

created Dec 23, 2009 | popularity 4.9 / 5 (25) | comments 1

A group of scientists has succeeded in creating the first transistor made from a single molecule. The team, which includes researchers from Yale University and the Gwangju Institute of Science and Technology ...


Scientists map speed of climate change

Space & Earth / Environment

created Dec 23, 2009 | popularity 2.7 / 5 (26) | comments 21

New study finds that the average ecosystem will need to shift about a quarter mile per year to keep pace with global climate change.


Genomic Encyclopedia of Bacteria and Archaea (GEBA)

First volume of microbial encyclopedia published

Biology / Cell & Microbiology

created Dec 23, 2009 | popularity 5 / 5 (3) | comments 0

The Earth is estimated to have about a nonillion (1030) microbes in, on, around, and under it, comprised of an unknown but very large number of distinct species. Despite the widespread availability of microbi ...


The Formation of Blue Stragglers

Vampires and collisions rejuvenate stars

Space & Earth / Astronomy

created Dec 23, 2009 | popularity 4.4 / 5 (8) | comments 2

Stars in globular clusters are generally extremely old, with ages of 12-13 billion years. However, a small fraction of them appear to be significantly younger than the average population and, because they ...


Birds Play an Important Role in the Spread of Lyme Disease

Medicine & Health / Diseases

created Dec 23, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- The range of Lyme disease is spreading in North America and it appears that birds play a significant role by transporting the Lyme disease bacterium over long distances, a new study by the Yale School of ...


Psychologists show that future-minded people make better decisions for their health

Medicine & Health / Psychology & Psychiatry

created Dec 23, 2009 | popularity 4 / 5 (2) | comments 0

When New Year's Eve rolls around and you're deciding whether to have another glass of champagne, your decision may be predicted by your perspective of the future.


Understanding interaction in virtual worlds

Technology / Computer Sciences

created Dec 23, 2009 | popularity 3 / 5 (7) | comments 0

New cinema blockbuster, Avatar, leapt to the top of box office charts as soon as it came out — a stunning 3D realisation of an alien world. Our fascination with themes of escape to other fantastic places and the thrill of ...



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