Astronomers suggest shooting a laser into space to attract aliens to Earth like a 'porch light'

Astronomers suggest shooting a laser into space to attract aliens to Earth like a 'porch light'  BGR A powerful laser 'porch light' could let aliens know where we are  Engadget Has science gone too far? Now boffins dream of shining gigantic laser pointer into space to get aliens' attention  The RegisterFull coverage

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