Search results for emission line:
Studying a Star Before it is Born
Dec 04, 2009 |
4.7 / 5 (3) |
1
(PhysOrg.com) -- The first phase of a star's formation are thought to begin deep inside a natal cloud of gas and dust. In the earliest stages, material coalesces under the influence of gravity into so-called ...
Safe journey for works of art
Dec 04, 2009 |
4 / 5 (1) |
0
Valuable paintings travel long distances when they are shipped from one place to another. To minimize damage, they are packed in special picture cases. In future, these will be equipped with sensors to detect ...
A greener way to get electricity from natural gas
Dec 03, 2009 |
3.3 / 5 (12) |
8
(PhysOrg.com) -- A new type of natural-gas electric power plant proposed by MIT researchers could provide electricity with zero carbon dioxide emissions to the atmosphere, at costs comparable to or less than ...
NRL Sensor Observes First Light
Space & Earth / Space Exploration
Dec 02, 2009 |
not rated yet |
0
The Special Sensor Ultraviolet Limb Imager (SSULI) developed by NRL's Spacecraft Engineering Department and Space Science Division, launched October 18, 2009 on the U.S. Air Force Defense Meteorological Satellite ...
Why a short run is better than a long walk
Dec 02, 2009 |
4.6 / 5 (19) |
2
(PhysOrg.com) -- Using the latest technology, researchers are uncovering evidence of exactly how major a role activity plays in the battle to keep obesity at bay. In new report published in the British Me ...
Blushing dusty nebula
Dec 01, 2009 |
4.5 / 5 (2) |
1
On Earth, we tend to find dust nothing more than a nuisance that blankets our furniture and causes us to sneeze. Cosmic dust can also be a hindrance to astronomers because cameras using visible light cannot ...
Clearing the way for detecting pulmonary embolism
Dec 01, 2009 |
not rated yet |
0
When it comes to diagnosing pulmonary embolism—a sudden blockage in the lung artery that could be deadly if not treated—which technique is the most effective? Research published in the December issue of The Journal of Nu ...
Making sense of greenhouse gas accounting
Nov 30, 2009 |
3 / 5 (4) |
3
Waste management is increasingly gaining the recognition that it deserves as a major contributor to mitigating climate change. But with at least four different methods of accounting for greenhouse gas (GHG) emissions currently ...
Brain Scan Study Shows Cocaine Abusers Can Control Cravings
Nov 30, 2009 |
5 / 5 (1) |
0
(PhysOrg.com) -- When asked to inhibit their response to a "cocaine-cues" video, active cocaine abusers were, on average, able to suppress activity in brain regions linked to drug craving, according to a new ...
Herschel takes a peek at the ingredients of the galaxies
Nov 27, 2009 |
4.8 / 5 (9) |
1
(PhysOrg.com) -- The European Space Agency has today released spectacular new observations from the Herschel Space Observatory, including the UK-led SPIRE instrument. Spectrometers on board all three Hershel ...
Fermi Telescope Peers Deep into Microquasar (w/ Video)
Nov 27, 2009 |
4.8 / 5 (17) |
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 ...
The Energy Sources of Ultraluminous Galaxies
Nov 27, 2009 |
4.7 / 5 (20) |
3
(PhysOrg.com) -- Ultraluminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns; for comparison, the Milky Way galaxy has a typical (and much more modest) luminosity ...
Burning coal worse for climate than clearing rain forests
Nov 26, 2009 |
2.4 / 5 (8) |
4
Deforestation has had a big influence on the increase of carbon dioxide (CO2) emissions in the past three centuries, but its impact is tapering off relatively. Nowadays, the burning of fossil fuels is a more crucial factor. ...
Cutting greenhouse pollutants could directly save millions of lives worldwide
Nov 25, 2009 |
2.1 / 5 (14) |
8
Tackling climate change by reducing carbon dioxide and other greenhouse emissions will have major direct health benefits in addition to reducing the risk of climate change, especially in low-income countries, according to ...
Most radiation oncologists utilize advanced medical imaging techniques, study suggests
Nov 25, 2009 |
not rated yet |
0
A recent study shows that 95 percent of radiation oncologists use advanced imaging techniques such as positron emission tomography (FDG-PET), magnetic resonance imaging (MRI), and 4-dimensional computed tomography (4DCT) ...
