Wormhole

usgb/ˈwɜːrmhəʊl/Volume
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Science FictionPlay
Often used in science fiction to describe shortcuts through the universe. SlideThe film depicted a wormhole as a portal to another galaxy.
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Theoretical ConceptPlay
A wormhole is not proven to exist; it's a concept from theoretical physics. SlidePhysicists debated the possibility of a wormhole connecting distant stars.
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Time-Space ConnectionPlay
Wormholes are believed to link separate points in spacetime, not just space. SlideCould a wormhole really allow travel back in time?