News tagged with laser

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Nanotech process makes heat-resistant dyes

You may have heard about the hazards posed by pranksters who shine laser pointers at airplanes during takeoff or landing. One way to keep those beams of concentrated light from blinding pilots is to incorporate ...

Oct 03, 2014
4.7 / 5 (3) 0

Deformable mirror corrects errors

Very high power is needed to cut or weld using a laser beam. But this creates its own problem: the beam's energy deforms the mirrors that are focusing it to a point. When this happens, the beam expands and ...

May 14, 2014
5 / 5 (7) 1

Beavers keep riparian systems healthy

In some circles, beavers have long been considered pests that damage trees, clog up culverts, and build dams that inhibit or alter the natural flow of waterways. But, to two University of Wyoming researchers, ...

Feb 24, 2014
4.5 / 5 (6) 0

Harnessing randomness to improve lasers

Randomly arranged items usually have poor optical properties. The rough—or random—surface of a frosted-glass window, for example, obscures the view of an object. The optical industry therefore expends ...

Jan 15, 2014
3 / 5 (2) 0