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Friday, August 17, 2018

Arecibo Observatory: Watching for Asteroids, Waiting for E.T.

Arecibo Observatory has been used to send a SETI message as well as for scanning the skies for approaching asteroids.

from Space.com https://ift.tt/2tccI1w
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How Fake Reviews Hurt Us and Amazon

By BY SHIRA OVIDE from NYT Technology https://ift.tt/2ISExt7