News tagged with neutron
NPL recreates original fission experiment
National Physical Laboratory helped a BBC/Open University production crew recreate Otto Frisch's famous fission experiment from the 1930s.
Oct 12, 2010 |
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Pushing the envelope
(PhysOrg.com) -- G327.1-1.1 is the aftermath of a massive star that exploded as a supernova in the Milky Way galaxy.
Oct 05, 2010 |
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Finding a buckyball in photovoltaic cell
Polymer-based photovoltaic cells have some real advantages compared to the currently used semiconductor-based cells. They are easy to make and the materials are cheap. The challenge is to figure out how to make efficient ...
Sep 28, 2010 |
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Gigantic mirror for X-radiation in outer space
It is to become the largest X-ray telescope ever: The International X-Ray Observatory (IXO), which has been planned in a cooperation between NASA, ESA and Japan's Aerospace Exploration Agency JAXA, will be ...
Space & Earth / Space Exploration
Sep 27, 2010 |
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Neutrons helping researchers unlock secrets to cheaper ethanol
(PhysOrg.com) -- New insight into the structure of switchgrass and poplars is fueling discussions that could result in more efficient methods to turn biomass into biofuel.
Sep 15, 2010 |
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Making massive stars
Massive stars -- those with more than about eight times the mass of the sun -- are arguably the most important actors in the universe. Much hotter and more luminous than the sun, they live only hundreds of ...
Sep 10, 2010 |
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Discovery could challenge established theory of the nucleus
(PhysOrg.com) -- By analyzing data from experiments performed earlier this decade at the Oak Ridge Electron Linear Accelerator (ORELA), physicists have made observations that seem to conflict with the widely accepted theory ...
Aug 26, 2010 |
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Pulsar survey could help find gravitational waves
With a recently announced $6.5 million grant over five years from the National Science Foundation (NSF), an international consortium of researchers and institutions hopes to find and use the galaxy's most precise pulsars ...
Aug 24, 2010 |
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Eclipsing pulsar promises clues to crushed matter
Astronomers using NASA's Rossi X-ray Timing Explorer (RXTE) have found the first fast X-ray pulsar to be eclipsed by its companion star. Further studies of this unique stellar system will shed light on some ...
Aug 17, 2010 |
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Einstein@Home 'citizen scientists' discover a new pulsar in Arecibo telescope data
Idle computers are the astronomers' playground: Three citizen scientists - a German and an American couple - have discovered a new radio pulsar hidden in data gathered by the Arecibo Observatory. This is the first deep-space ...
Aug 12, 2010 |
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The 'Magic' of Tin
(PhysOrg.com) -- The metal tin lacks the value and prestige of gold, silver, and platinum -- but to nuclear physicists, tin is magic.
Aug 06, 2010 |
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Image: A Galactic Spectacle
A beautiful new image of two colliding galaxies has been released by NASA's Great Observatories. The Antennae galaxies, located about 62 million light-years from Earth, are shown in this composite image from ...
Aug 05, 2010 |
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Nuclear physics incorporates a 'strange' flavor
Calculating the binding energy between hyperon particles contributes to understanding a new type of neutron star.
Jul 30, 2010 |
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Scientists find metallic magnet with largest yet atomic displacement during thermal expansion
(PhysOrg.com) -- Although most materials change shape in the presence of a magnetic field, the change is usually very small. In a new study, scientists have found that a certain magnet containing manganese experiences a change ...
Jul 30, 2010 |
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Refining a cosmic clock
Physicists will soon have a better measure of the age of our galaxy, thanks to experiments described in a trio of papers appearing in the journal Physical Review C.
Jul 15, 2010 |
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