Watts Up With That?: Astronomer: use lasers as Earth’s “porch light” to attract aliens

Via MIT News and the “Astronomers with frickin’ laser beams on their heads” department comes this odd idea. If extraterrestrial intelligence exists somewhere in our galaxy, a new MIT study proposes that laser technology on Earth could, in principle, be fashioned into something of a planetary porch light — a beacon strong enough to attract…

2018-11-06 12:00

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