News tagged with accelerator

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SLAC's newest facility kicks off user run

(Phys.org) -- After months of installation and commissioning efforts, SLAC's newest user facility welcomed its first two groups of experimenters on Friday. They came to use the tightly focused electron bunches ...

May 08, 2012
5 / 5 (1) 0

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, ...

May 07, 2012
5 / 5 (4) 21 | with audio podcast

Defects make catalysts perfect

There is now one less mystery in chemical production plants. For many decades industry has been producing methanol on a large scale from a mixture of carbon dioxide and carbon monoxide, as well as hydrogen. ...

Apr 26, 2012
5 / 5 (2) 0 | with audio podcast

Neutrinos put cosmic ray theory on ice

(Phys.org) -- A telescope buried beneath the South Pole has failed to find any neutrinos accompanying exploding fireballs in space, undermining a leading theory of how cosmic rays are born.

Apr 20, 2012
4.5 / 5 (4) 11 | with audio podcast

Neutron generation: Going from tubes to chips

(Phys.org) -- It was a figurative whack on the head that started Sandia National Laboratories distinguished technical staff member Juan Elizondo-Decanini thinking outside the box -- which in his case was a ...

Apr 17, 2012
4.8 / 5 (19) 7 | with audio podcast

Using 'proton grease' to spin-up a molecular rotor

When designing the tiniest of possible machines, scientists have had far more success in creating molecular-size brakes than accelerators. But a team at the University of South Carolina has figured out how ...

Apr 12, 2012
5 / 5 (5) 1 | with audio podcast

When dark energy turned on (Update)

(PhysOrg.com) -- Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction ...

Mar 30, 2012
4.1 / 5 (20) 67 | with audio podcast