'Dressed' Laser May Induce Rain, Lightning

April 19, 2014 8:06 AM

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The adage, “Everyone complains about the weather but nobody does anything about it,” may one day be obsolete if researchers at the Univ. of Central Florida’s College of Optics & Photonics and the Univ. of Arizona further develop a new technique to aim a high-energy laser beam into clouds to make it rain or trigger lightning.

The solution? Surround the beam with a second beam to act as an energy reservoir, sustaining the central beam to greater distances than previously possible. The secondary “dress” beam refuels and helps prevent the dissipation of the high-intensity primary beam, which on its own would break down quic...

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