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Tag: Laser

Very powerful laser ‘porch light’ could let aliens and other living beings know where Earth located

An MIT researcher claims a laser space beacon detectable up to 20,000 light years away is feasible — essentially acting as a porch light for extraterrestrial life. James Clark’s study posits that focusing a one- to two-megawatt laser through a 30- to 45-meter telescope and aiming it into […]

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