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lightning News
Two-Stage Laser Could Make Rain, Lightning
UNION PARK, Fla., and TUCSON, Ariz., April 18, 2014 — Weather is beyond human control -- or is it? A team from the University of Central Florida (UCF) College of Optics & Photonics and the University of Arizona are developing a technique to trigger rain and lightning in clouds with a high-energy laser...
Femtosecond Laser May Divert Lightning
TUCSON, Ariz. and ORLANDO, Fla., April 3, 2014 — A long-range femtosecond laser under development could be used to steer lightning away from buildings. Optical scientists at the University of Arizona and the University of Central Florida are working on the technology, which uses a low-intensity...
Conference to Explore Laser-based Weather Control
GENEVA, Aug. 30, 2013 — Ultrashort-pulse lasers as an emerging tool for controlling the weather will be the topic of interest at a gathering of atmospheric physicists, meteorologists and climatologists next month at the World Meteorological Organisation in Geneva. The...
Letters to the Editor
Oct 1, 2010 — Is it really ball lightning? I have to be very skeptical about the premise that magnetic fields are generating phosphenes that appear to be ball lightning (“Great balls of magnetism!” p. 68, July 2010). My experience with phosphenes,...
Great balls of magnetism!
Jul 1, 2010 — You’ve no doubt heard of ball lightning – perhaps even experienced it firsthand. But although the phenomenon has been known for millennia, it happens infrequently enough that there have always been doubts about its validity. Physicists...
Sensing the rain
Mar 18, 2010 — The Tropical Rainfall Measuring Mission (TRMM) is a project run jointly by NASA and the Japan Aerospace Exploration Agency to monitor and study tropical rainfall. When tropical cyclone Laurence hit Australia in December 2009, TRMM determined that...
Throwing curved light bullets
TUCSON, Ariz. – Researchers have devised a way to curve laser beams in the air by converting a standard directional beam into a self-bending Airy beam. The development may help with atmospheric applications, particularly with the ability to redirect lightning to...
Plasmas Made From Molecules
VANCOUVER, British Columbia, Nov. 24, 2008 -- A new technique for making ultracold plasmas out of molecules instead of trapped atoms brings scientists a big step closer to unlocking the secrets of the most abundant form of matter in the universe. A plasma, or ionized gas, can be as...
Powerful Femtosecond Laser Induces ‘Electrical Effects’ during Thunderstorms
Jun 1, 2008 — Although considerably less destructive than earthquakes, lightning is nonetheless one of the great unpredictable forces Mother Nature inflicts on mankind. Just as some scientists try to understand and predict earthquakes, others study the dynamics...
Laser Triggers Thunderclouds
SOCORRO, N.M., April 14, 2008 -- Scientists have used ultrashort laser pulses to trigger electrical activity in thunderclouds, a first step toward creating man-made lightning. In a modern-day take on Benjamin Franklin's experiment during a storm more than 200 years ago with a...
(10 results found)
April 2024
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