News tagged with particle accelerator

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Vacuum arcs spark new interest

Whenever two pieces of metal at different voltages are brought near each other, as when an appliance is plugged into a live socket, there is a chance there will be an arc between them. Most of the arcs people ...

Nov 08, 2010
4.5 / 5 (11) 3 | with audio podcast

Finding a buckyball in photovoltaic cell

Polymer-based photovoltaic cells have some real advantages compared to the currently used semiconductor-based cells. They are easy to make and the materials are cheap. The challenge is to figure out how to make efficient ...

Sep 28, 2010
3 / 5 (2) 0 | with audio podcast

Scientist explore future of high-energy physics

In a 1954 speech to the American Physical Society, the University of Chicago's Enrico Fermi fancifully envisioned a particle accelerator that encircled the globe. Such would be the ultimate theoretical outcome, ...

Feb 09, 2010
4.8 / 5 (18) 18 | with audio podcast

Accelerating neutral atoms on a table top

Conventional, as well as compact, laser-based particle acceleration schemes hinge on accelerating electric fields and are therefore ineffective for neutral atoms, which do not respond to these fields. Researchers ...

Jan 27, 2013
4.3 / 5 (6) 3

Fermi telescope finds gamma-ray galaxy surprises

Back in June 1991, just before the launch of NASA's Compton Gamma-Ray Observatory, astronomers knew of gamma rays from exactly one galaxy beyond our own. To their surprise and delight, the satellite captured ...

Jul 14, 2009
4.6 / 5 (13) 6