News tagged with energy neutrons

Stellar astrophysics explains the behavior of fast rotating neutron stars in binary systems

Pulsars are among the most exotic celestial bodies known. They have diameters of about 20 kilometres, but at the same time roughly the mass of our sun. A sugar-cube sized piece of its ultra-compact matter ...

Space & Earth / Astronomy

created Feb 02, 2012 | popularity 5 / 5 (7) | comments 2 | with audio podcast

Swift finds a gamma-ray burst with a dual personality (w/ video)

(PhysOrg.com) -- A peculiar cosmic explosion first detected by NASA's Swift observatory on Christmas Day 2010 was caused either by a novel type of supernova located billions of light-years away or an unusual ...

Space & Earth / Astronomy

created Nov 30, 2011 | popularity 4.1 / 5 (8) | comments 3 | with audio podcast

NASA's Fermi finds youngest millisecond pulsar, 100 pulsars to date

An international team of scientists using NASA's Fermi Gamma-ray Space Telescope has discovered a surprisingly powerful millisecond pulsar that challenges existing theories about how these objects form.

Space & Earth / Astronomy

created Nov 04, 2011 | popularity 4.3 / 5 (6) | comments 2 | with audio podcast

Mars rover carries device for underground scouting

(PhysOrg.com) -- An instrument on NASA's Mars rover Curiosity can check for any water that might be bound into shallow underground minerals along the rover's path.

Space & Earth / Space Exploration

created Oct 26, 2011 | popularity 5 / 5 (1) | comments 0

Astrophysics and extinctions: News about planet-threatening events

Space is a violent place. If a star explodes or black holes collide anywhere in our part of the Milky Way, they'd give off colossal blasts of lethal gamma-rays, X-rays and cosmic rays and it's perfectly reasonable to expect ...

Space & Earth / Space Exploration

created Oct 07, 2011 | popularity 4.4 / 5 (8) | comments 0

'Low tech' light in neutron beam illuminates photosynthesis in bacteria

(PhysOrg.com) -- Researchers at the Bio-SANS instrument at the High Flux Isotope Reactor are getting a leg up in their research from an ingenious "low tech" lighting tool that can be fixed to their samples ...

Chemistry / Analytical Chemistry

created Sep 28, 2011 | popularity not rated yet | comments 1

UNH scientists to build device for detecting contraband radioactive material

Researchers at the University of New Hampshire's Space Science Center (SSC), in partnership with Michigan Aerospace Corporation, have been contracted by the federal Defense Threat Reduction Agency (DTRA) to build a highly ...

Chemistry / Analytical Chemistry

created Sep 08, 2011 | popularity not rated yet | comments 0

World's largest fusion device goes back to work

September is commonly the month where things begin to gather pace again, and in the world of fusion energy research, things are no different. European scientists working on the Joint European Torus (JET), ...

Physics / Plasma Physics

created Sep 05, 2011 | popularity 4.9 / 5 (14) | comments 20

SNS, HFIR experiments help refine thin-film solar cells

(PhysOrg.com) -- Solar cells that convert sunlight into electricity could be a widely used renewable energy source. Getting to that point, though, requires breakthroughs in their cost and their efficiency at turning sunbeams ...

Chemistry / Materials Science

created Sep 02, 2011 | popularity not rated yet | comments 0

'Cling-film' solar cells could lead to advance in renewable energy

(PhysOrg.com) -- A scientific advance in renewable energy which promises a revolution in the ease and cost of using solar cells, has been announced today. A new study shows that even when using very simple ...

Nanotechnology / Nanomaterials

created Jul 04, 2011 | popularity 4.5 / 5 (10) | comments 11 | with audio podcast

Gamma-ray emission from Terzan 5

(PhysOrg.com) -- The H.E.S.S. telescope system in Namibia discovered a new source of very-high-energy gamma-rays from the direction of the globular cluster Terzan 5. Being very likely located in the outer ...

Space & Earth / Astronomy

created Jun 24, 2011 | popularity 4.8 / 5 (4) | comments 2 | with audio podcast

Startling thermal energy behavior revealed by neutron scattering

(PhysOrg.com) -- A discovery by researchers working at the Spallation Neutron Source upends long held assumptions about the microscopic behavior of materials in an equilibrium condition. The findings could ...

Physics / General Physics

created Jun 22, 2011 | popularity 5 / 5 (12) | comments 2 | with audio podcast

Turning the heat on organizing energy

(PhysOrg.com) -- Conventional wisdom suggests that when exposing a crystal to heat, the thermal energy within the crystal would spread uniformly across the lattice.

Physics / General Physics

created Jun 15, 2011 | popularity 5 / 5 (2) | comments 2 | with audio podcast

Argonne researchers find new isotope for climatological dating

(PhysOrg.com) -- Radioactive dating is used to determine everything from the age of dinosaur fossils to Native American arrowheads. A new technique recently developed at the U.S. Department of Energy's Argonne ...

Physics / General Physics

created May 12, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Fermi telescope spots 'superflares' in the Crab Nebula (w/ video)

(PhysOrg.com) -- The famous Crab Nebula supernova remnant has erupted in an enormous flare five times more powerful than any flare previously seen from the object. On April 12, NASA's Fermi Gamma-ray Space ...

Space & Earth / Astronomy

created May 12, 2011 | popularity 4.4 / 5 (7) | comments 17 | with audio podcast