This computer illustration shows an Einstein-Rosen bridge, also known as a wormhole. Wormholes feature heavily in the fifth season of Netflix series Stranger Things, whose series finale airs Dec. 31.
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Wormholes may not exist—we've found they reveal something deeper about time and the universe
Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a misunderstanding of work by physicists Albert Einstein and Nathan Rosen.
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