Building a Wormhole

Half tongue-in-cheek and heavy on the "theoretical," this is nonetheless an entertaining, accessible and tantalizing piece on how we maybe-just-maybe-might-one-day be able to create a traversable wormhole.

Of course, I'm still holding out for negative mass being a real thing, and definitely white holes as well. But cosmic strings would be good, too.

https://www.space.com/building-a-wormhole-with-cosmic-strings.html

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Originally posted on Facebook.