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Wormholes are entirely speculative and need exotic matter with negative mass to exist. According to the optical Raychaudhuri's theorem, which describes the motion of nearby matter in curved spacetime, this requires a violation of the averaged null energy condition.

That is, wormholes defy mathematical boundaries of spacetime being positive in any particular region. Importantly, Einstein's field equations can yield unphysical solutions or things like closed timelike curves that create causality paradoxes and other strange phenomena.

im reading this in the dude lebowski character sipping a russian milk cocktail in my bathroom robe, on an old square tv with noisy sound.

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I've got one wandering around my home and workshop that finds the item I'd like to use in a few minutes and sends it to another random place in my home or workshop but two days in the future.

the one in my house automatically sends the thing I'm looking for to the first place I looked - but 20 minutes after I looked there.....or sometimes 1 minute before my wife looks there...

hence my pathetic cries of "But I looked there!"

heavily moderated subreddit my a..