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Thursday, September 20, 2018

For Tiny Light Particles, 'Before' and 'After' Mean Nothing

This is how something can be both "before" and "after" something else.

from Space.com https://ift.tt/2QMUBw2
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How Fake Reviews Hurt Us and Amazon

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