News tagged with helium

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Arctic rocks offer new glimpse of primitive Earth

Scientists have discovered a new window into the Earth's violent past. Geochemical evidence from volcanic rocks collected on Baffin Island in the Canadian Arctic suggests that beneath it lies a region of the Earth's mantle ...

Aug 11, 2010
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Researchers Shed Light on Birth of the First Stars

(PhysOrg.com) -- In the beginning, there were hydrogen and helium. Created in the first three minutes after the Big Bang, these elements gave rise to all other elements in the universe. The factories that ...

Jul 01, 2010
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A crack in the case for supersolids

New experiments are casting doubt on previously reported observations of supersolid helium. In a paper appearing in the current issue of Physical Review Letters, John Reppy (Cornell University) presents research suggesting that p ...

Jun 21, 2010
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Astronomers discover 'defiant' new supernova

(PhysOrg.com) -- An international team of astronomers has uncovered a supernova whose origin cannot be explained by any previously known mechanism and which promises exciting new insights into stellar explosions.

May 26, 2010
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Helium pair have regular violent flare ups

(PhysOrg.com) -- A team of astronomers led by Dr Gavin Ramsay of Armagh Observatory have spotted violent eruptions from an interacting pair of stars that orbit around each other every 25 minutes. Unusually, ...

May 24, 2010
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Art Seals Reveal Their Secrets

(PhysOrg.com) -- Works of art are valuable and often also very delicate. Their restoration and conservation and their dating and authentication require sophisticated technical methods.

May 19, 2010
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Physicists capture first images of atomic spin

(PhysOrg.com) -- Though scientists argue that the emerging technology of spintronics may trump conventional electronics for building the next generation of faster, smaller, more efficient computers and high-tech ...

Apr 26, 2010
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WUSTL professor testifies on helium shortage

The sudden shortage of a nuclear weapons production byproduct that is critical to industries such as nuclear detection, oil and gas, and medical diagnostics was the focus as a House Science and Technology panel heard testimony ...

Apr 23, 2010
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