A Dartmouth-led team of astrophysicists has discovered the extent to which quasars and their black holes can influence their galaxies.
Astronomy
Jul 24, 2013
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Scientists now know that thunderstorms, working as powerful natural terrestrial particle accelerators, produce intense flashes of ionizing radiation called "dark lightning." To further their understanding of this phenomena, ...
Earth Sciences
Jun 13, 2013
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(Phys.org) —How much light has been emitted by all galaxies since the cosmos began? After all, every photon (particle of light) from ultraviolet to far infrared wavelengths ever radiated by all galaxies that ever existed ...
Astronomy
May 24, 2013
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(Phys.org)—Researchers have identified a burst of high-energy radiation known as 'dark lightning" immediately preceding a flash of ordinary lightning. The new finding provides observational evidence that the two phenomena ...
Earth Sciences
Apr 24, 2013
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Florida Institute of Technology faculty presented their terrestrial gamma ray flashes research modeling work at a press conference meeting of the European Geosciences Union in Vienna, Austria, April 10.
General Physics
Apr 10, 2013
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A researcher at Oregon State University has invented a way to use spent nuclear fuel to produce the gamma rays needed to irradiate medical supplies, food and other products – an advance that could change what is now a costly ...
Energy & Green Tech
Apr 4, 2013
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A team of industrial and university researchers has shown that nanoparticles with sizes smaller than 10 nanometers – approximately the width of a cell membrane – can be successfully incorporated into scintillation devices ...
Nanomaterials
Mar 25, 2013
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A major step forward in our understanding of the structure and behaviour of some of the most elusive atomic nuclei in existence, some of which occur only briefly on the surface of exploding stars, is now taking place thanks ...
Space Exploration
Feb 5, 2013
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(Phys.org)—A nearby short duration gamma-ray burst may be the cause of an intense blast of high-energy radiation that hit the Earth in the 8th century, according to new research led by astronomers Valeri Hambaryan and Ralph ...
Astronomy
Jan 21, 2013
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(Phys.org)—If a nuclear device were to unexpectedly detonate anywhere on Earth, the ensuing effort to find out who made the weapon probably would be led by aircraft rapidly collecting airborne radioactive particles for ...
Engineering
Jan 10, 2013
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