The puzzle Einstein and Rosen were addressing was never about space travel, but about how quantum fields behave in curved spacetime. I

Wormholes may not exist – we've found they reveal something deeper about time and the universe

Source: space
Source Link: https://www.space.com/astronomy/wormholes-may-not-exist-weve-found-they-reveal-something-deeper-about-time-and-the-universe