If you ’ve ever assure the movie link , you ’ll know the alien - hunter stereotype : quirky , Laputan lone wolf who sit up all dark listening to atmospheric static , hoping for the signal that will alter the world . That ’s probably not far off from real life-time , except that SETI ( that ’s hunting for Extra - telluric Intelligence ) scientists are commence creative . Here at theAstrobiology Science Conference , 2008 , they ’re presenting young way of look for piddling green human beings , include watching for signs of exotic laser , infrared signals , and even somberness moving ridge .
SETI scientists have been looking for exotic lasers for year now — part of the Optical SETIprogramsseveral university and observatory across the land .
Those project are still go full - bore , but scientists are hope to increase their chances of success by building a detector that will look for nearly - infrared lasers , too . Just on the lowly sharpness of the optical range of electromagnetic wavelength , Andrew Howard and colleagues from UC Berkeley trope there ’s no good reason aliens would n’t ramp up a near - IR laser . And if they did , they ’d obviously use it to disseminate complex signals to Earth containing elaborate design on how to establish a gadget for interstellar travel .
Maybe that ’s stupefy a bit in the lead of ourselves , but just in character , we ’d well look for intelligent signals broadcast through gravity waves , too . These still - theoretic ripples in distance - time are being tested for by theLiGO(Laser interferometry Gravitational undulation Observatory ) demodulator , mostly as a way to test astronomical theory . At least one investigator , Peter Hahnbelieves we should start analyzing the datum for sign of ET , too .
AlienAstrobiologyLIGOseti
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