If you don't mind less attachments, this Dyson Prime Day deal is hard to beat. Save $100: Grab the Dyson Airwrap Origin for $399.99 at Amazon as of July 8. This deal nets you a 20% discount on the ...

Dyson spheres and rings could exist in the universe, if we’re dealing with a certain type of star system. One physicist tapped into centuries of research on the three body problem of celestial ...

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