World News – For more than a half century, we’ve been scanning the skies for radio signals that might be evidence of an alien civilization. Now physicists at the University of California, Santa Barbara are trying a different approach: scanning the skies for light beams that are monstrously intense. It’s a promising approach that could uncover aliens that have equipped themselves with the mother of all laser pointers.
The idea of using light beams to signal from one world to another isn’t new — even the Victorians considered it. In 1874, the Finnish mathematician Edvard Engelbert Novius proposed wiring up 22,000 light bulbs and using curved mirrors to focus their glow on Mars, thereby alerting Red Planet residents that they had neighbors on the third rock from