News tagged with nuclear reaction

Writing the history of the 'Cosmic Dark Ages'

For millions of years after the Big Bang, there were no stars, or even galaxies to contain stars. During these "Cosmic Dark Ages," neutral hydrogen gas dominated the universe. When clouds of primordial hydrogen ...

dateSep 02, 2013 in Astronomy
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N.Korea boasts success in nuclear fusion

North Korea on Wednesday claimed it had carried out a nuclear fusion reaction that could lead to a limitless supply of clean energy -- a process that the world's scientists have so far yet to achieve.

dateMay 12, 2010 in General Physics
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iPhone goes nuclear

A fission reaction in a nuclear reactor? There's an "app" for that! An iPhone "application" or software developed by the University of Utah's Scientific Computing and Imaging (SCI) Institute to look at medical ...

dateMay 06, 2010 in Software
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One supernova type, two different sources

The exploding stars known as Type Ia supernovae serve an important role in measuring the universe, and were used to discover the existence of dark energy. They're bright enough to see across large distances, ...

dateMay 07, 2012 in Astronomy
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Why won't the supernova explode?

(Phys.org) -- Somewhere in the Milky Way, a massive old star is about to die a spectacular death. As its nuclear fuel runs out, the star begins to collapse under its own tremendous weight. Crushing pressure ...

dateJun 18, 2012 in Astronomy
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Exotic isotopes step on the scale

Elements heavier than iron are believed to have formed in supernovae or merging neutron stars through a series of complex nuclear reactions. Nuclear physicists are working to recreate these reactions by performing ...

dateSep 06, 2013 in General Physics
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On the origin of life's most crucial isotope

Since the Big Bang, the universe has been evolving. From the formations of simple protons and neutrons to the wide breadth of elements and molecules known today, it is ever growing in complexity and variety. And now, nuclear ...

dateOct 12, 2012 in General Physics
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