News tagged with physical review letters

Heating the solar wind

(Phys.org) —The Sun glows with a surface temperature of about 5500 degrees Celsius. Meanwhile its hot outer layer (the corona) has a temperature of over a million degrees, and ejects a wind of charged particles ...

Apr 03, 2013 5 / 5 (3) 2 | with audio podcast

X-ray laser pulses in two colors

(Phys.org) —SLAC researchers have demonstrated for the first time how to produce pairs of X-ray laser pulses in slightly different wavelengths, or colors, with finely adjustable intervals between them – ...

Mar 27, 2013 5 / 5 (3) 0 | with audio podcast