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Light Braking

In Science Fiction by Brian Koberlein

The Breakthrough Starshot project plans to send small spacecraft to Proxima Centauri, and it could use the light of Alpha Centauri it get there.

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Stringing You Along

In Science Fiction by Brian Koberlein

A cosmic string is a very long (possibly as long as the diameter of the visible universe), very thin (less than the width of a proton) high-density object formed during the early moments of the big bang. You can see a rendering of such a string in the image above. There is a reason why it appears next to the starship Enterprise. Both of them are science fiction.