“Unveiled” on YouTube has some videos about wormholes, and a
good introduction is “What If We Could Build Wormholes?”
The video explains the difference between Lorentzian and
Euclidean wormhole. The former is considered
more likely to be possible to build in the future (and later we’ll look at a video
on building one).
The technology could be like an Internet on steroids, but
capable of moving people among various nodes, and it offers limited time
travel, back to when the nodes were set up.
Mankind probably has a few hundred million years to do this
before natural global warming (from the Sun getting hotter, not just human activity now) makes the Earth uninhabitable.
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