News tagged with ultraviolet

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New on-off 'switch' triggers and reverses paralysis in animals with a beam of light

New on-off 'switch' triggers and reverses paralysis in animals with a beam of light (w/ Video)

Chemistry / Biochemistry

created Nov 18, 2009 | popularity 4.8 / 5 (5) | comments 4

In an advance with overtones of Star Trek phasers and other sci-fi ray guns, scientists in Canada are reporting development of an internal on-off "switch" that paralyzes animals when exposed to a beam of ultraviolet ...


Toshiba develops molecular photoresist technology for EUV lithography

Toshiba develops molecular photoresist technology for EUV lithography

Technology / Semiconductors

created Nov 17, 2009 | popularity 2.3 / 5 (12) | comments 1

Toshiba Corporation today announced that it has developed a high resolution photoresist (photo-sensitive film) essential for future application of EUV (extreme ultraviolet) lithography in semiconductor fabrication, ...


How cells tolerate DNA damage -- start signal for cell survival program identified

Biology / Cell & Microbiology

created Nov 16, 2009 | popularity not rated yet | comments 0

Cancer researchers of the Max Delbrück Center for Molecular Medicine (MDC) Berlin-Buch, Germany, have gained new insights into how cells react to DNA damage. Dr. Michael Stilmann, Dr. Michael Hinz and Professor Claus Scheidereit ...


Scientists Reproduce a Building Block of Life in Laboratory

Scientists Reproduce a Building Block of Life in Laboratory

Chemistry / Biochemistry

created Nov 06, 2009 | popularity 4.9 / 5 (28) | comments 0

(PhysOrg.com) -- NASA scientists studying the origin of life have reproduced uracil, a key component of our hereditary material, in the laboratory.


The Ring Nebula

The Ring Nebula

Space & Earth / Astronomy

created Nov 02, 2009 | popularity 4.3 / 5 (7) | comments 2

The diversity of colours, shapes, and sizes of planetary nebulae make them fascinating objects. In this photo release Calar Alto presents a rather unique view combining both optical and near-infrared data ...


Solar winds triggered by magnetic fields

Solar winds triggered by magnetic fields

Space & Earth / Astronomy

created Nov 02, 2009 | popularity 4.3 / 5 (4) | comments 2

(PhysOrg.com) -- Solar wind generated by the sun is probably driven by a process involving powerful magnetic fields, according to a new study led by UCL (University College London) researchers based on the ...


The Sun's Sneaky Variability

The Sun's Sneaky Variability

Space & Earth / Space Exploration

created Oct 28, 2009 | popularity 4.8 / 5 (11) | comments 5

Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun's surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy radiation. ...


The Explosive Disintegration of a Young Stellar System in Orion

The Explosive Disintegration of a Young Stellar System in Orion

Space & Earth / Astronomy

created Oct 23, 2009 | popularity 4.8 / 5 (12) | comments 7

(PhysOrg.com) -- The Orion Nebula is one of the most beautiful sights of the winter night sky, its gas and dust glowing from the intense ultraviolet radiation of a cluster of massive young stars.


JPL Develops High-Speed Test to Improve Pathogen Decontamination

Chemist Develops High-Speed Test to Improve Pathogen Decontamination

Chemistry / Analytical Chemistry

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

(PhysOrg.com) -- A chemist at NASA's Jet Propulsion Laboratory in Pasadena, Calif., has developed a technology intended to rapidly assess any presence of microbial life on spacecraft. This new method may also ...


Fish vision discovery makes waves in natural selection

Fish vision discovery makes waves in natural selection

Biology / Evolution

created Oct 16, 2009 | popularity 5 / 5 (8) | comments 1

Emory University researchers have identified the first fish known to have switched from ultraviolet vision to violet vision, or the ability to see blue light. The discovery is also the first example of an ...


Grant to Design Neutrino Detector

Physics / General Physics

created Oct 14, 2009 | popularity 2.8 / 5 (4) | comments 2

(PhysOrg.com) -- A consortium led by UC Davis physics professor Robert Svoboda will design the world's largest neutrino detector under a $4.4 million contract recently awarded by the National Science Foundation.


'Anti-swine flu' business suit on sale in Japan

Medicine & Health / Diseases

created Oct 09, 2009 | popularity not rated yet | comments 0

A Japanese menswear company has begun selling an "anti-swine flu" business suit that it says can reduce the risk of catching the virus.


Weathering System Cuts Product Testing Time

Weathering System Cuts Product Testing Time

Technology / Engineering

created Sep 28, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Engineers design a new auto paint, a better solar device or a sturdier vinyl siding. But how can they know if the new products deserve a five-year, 10-year or 30-year warranty? Better a ...


Lifestyle interventions in the prevention and treatment of cancer

Medicine & Health / Cancer

created Sep 24, 2009 | popularity not rated yet | comments 2

There is clear evidence that lifestyle choices affect the incidence and treatment of cancer, according to a study published in the current issue of American Journal of Lifestyle Medicine (AJLM).


EVE: Measuring the Sun's hidden variability

EVE: Measuring the Sun's hidden variability

Space & Earth / Space Exploration

created Sep 22, 2009 | popularity 4.1 / 5 (7) | comments 0

Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun's surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy radiation. ...