News tagged with ray sources


Fermi Large Area Telescope Reveals Pulsing Gamma-Ray Sources

Fermi Large Area Telescope Reveals Pulsing Gamma-Ray Sources

Space & Earth / Astronomy

created Sep 22, 2009 | popularity 4.7 / 5 (6) | comments 1

(PhysOrg.com) -- Scientists at the Naval Research Laboratory Space Science Division and a team of international researchers have positively identified cosmic sources of gamma-ray emissions through the discovery ...


GLAST Observatory reveals entire gamma-ray sky

GLAST Observatory reveals entire gamma-ray sky

Space & Earth / Astronomy

created Aug 26, 2008 | popularity 4.8 / 5 (21) | comments 0

(PhysOrg.com) -- NASA's newest space telescope is giving scientists their best look yet at the highest-energy gamma ray bursts generated by violent events in space. For Toby Burnett, a University of Washington ...





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It takes two to infect: Structural biologists shed light on mechanism of invasion protein

Biology / Cell & Microbiology

created 7 hours ago | popularity 5 / 5 (1) | comments 0

Bacteria are quite creative when infecting the human organism. They invade cells, migrate through the body, avoid an immune response and misuse processes of the host cell for their own purposes. To this end every bacterium ...


Fermi Telescope Peers Deep into Microquasar

Fermi Telescope Peers Deep into Microquasar (w/ Video)

Space & Earth / Astronomy

created Nov 27, 2009 | popularity 4.8 / 5 (17) | comments 0

(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has made the first unambiguous detection of high-energy gamma-rays from an enigmatic binary system known as Cygnus X-3. The system pairs a hot, massive ...


Computational microscope peers into the working ribosome

Computational microscope peers into the working ribosome (w/ Video)

Biology / Cell & Microbiology

created Nov 23, 2009 | popularity 4.9 / 5 (9) | comments 2

Two new studies reveal in unprecedented detail how the ribosome interacts with other molecules to assemble new proteins and guide them toward their destination in biological cells. The studies used molecular ...


Cancer metabolism discovery uncovers new role of IDH1 gene mutation in brain cancer

Medicine & Health / Cancer

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

Agios Pharmaceuticals today announced that its scientists have established, for the first time, that the mutated IDH1 gene has a novel enzyme activity consistent with a cancer-causing gene, or oncogene. This breakthrough ...


Tapering a Free-Electron Laser to Extract More Juice

Tapering a Free-Electron Laser to Extract More Juice

Physics / General Physics

created Nov 20, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- Researchers from the NSLS and Science Applications International Corporation (SAIC) have demonstrated a technique that could be used to significantly improve the quantity and quality of light ...


Unique Uranium Source in Naturally Bioreduced Sediment

Unique Uranium Source in Naturally Bioreduced Sediment

Space & Earth / Environment

created Nov 18, 2009 | popularity 4 / 5 (4) | comments 0

(PhysOrg.com) -- A recently published Pacific Northwest National Laboratory study of a naturally bioreduced sediment sample from a former uranium mill tailings site reveals insights that enhance understanding ...


Swift, XMM-Newton satellites tune into a middleweight black hole

Swift, XMM-Newton satellites tune into a middleweight black hole

Space & Earth / Astronomy

created Nov 10, 2009 | popularity 4.7 / 5 (3) | comments 1

(PhysOrg.com) -- While astronomers have studied lightweight and heavyweight black holes for decades, the evidence for black holes with intermediate masses has been much harder to come by. Now, astronomers ...


Fermi telescope detects gamma-ray from 'star factories' in other galaxies

Fermi Telescope Detects Gamma-Ray From 'Star Factories' in Other Galaxies

Space & Earth / Astronomy

created Nov 02, 2009 | popularity 4 / 5 (2) | comments 0

Nearby galaxies undergoing a furious pace of star formation also emit lots of gamma rays, say astronomers using NASA's Fermi Gamma-ray Space Telescope. Two so-called "starburst" galaxies, plus a satellite ...


Fermi telescope caps its first year with a glimpse of space-time

Fermi Telescope Caps First Year With Glimpse of Space-Time (w/ Video)

Space & Earth / Astronomy

created Oct 28, 2009 | popularity 4.6 / 5 (14) | comments 5

During its first year of operations, NASA's Fermi Gamma Ray Space Telescope mapped the extreme sky with unprecedented resolution and sensitivity. It captured more than one thousand discrete sources of gamma ...


Company Introduces Novel Nanotechnology for Revolutionizing Imaging Using T-rays

Nanotechnology / Nanophysics

created Oct 20, 2009 | popularity 4.3 / 5 (6) | comments 0

Yissum Research Development Company of the Hebrew University of Jerusalem today announced that Professor L.D. Shvartsman and Professor B. Laikhtman, from the Racah Institute of Physics at the Hebrew University of Jerusalem, ...



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