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In the two decades since the first exoplanets were found in the mid-1990s, astronomers have...


Like a speedboat leaving a wake that a surfer can ride, a laser pulse in a laser-plasma wakefield accelerator creates a wake in the plasma that an electron beam “surfs” to high energy. The ridges at bottom right are the laser pulse, which drives the wake as it speeds through the plasma. Colors in the wake represent intense electric fields: the decelerating fields (orange) and accelerating fields (blue) drive the electrons (white) to high energy. (Original boat-surfing photo by Sean C. Fulton)

Like a speedboat leaving a wake that a surfer can ride, a laser pulse in a laser-plasma wakefield

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A new system makes hardware models of multicore chips more efficient, easier to design and more...

Supercomputers help optimize engines, turbines, and other technologies for clean energy

Air and...

The 2008 year edition of SIMDI takes place in Goteborg, Sweden 3-4 of June. The conference focus...