News of the WeekPhysics

Laser Light From a Handful of Dust

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Science  02 Apr 1999:
Vol. 284, Issue 5411, pp. 24-25
DOI: 10.1126/science.284.5411.24b

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Physicists have sparked laser action in a light-trapping powder, they reported last month in Physical Review Letters. They say the effect, which causes the powder to radiate intense light in all directions, might one day be used to brighten some kinds of flat-panel displays.