All you need are a couple of black holes and some cosmic strings. No biggie.
Source: https://www.livescience.com/building-a-wormhole-with-cosmic-strings.html
Only the Autodidact is Free
All you need are a couple of black holes and some cosmic strings. No biggie.
Source: https://www.livescience.com/building-a-wormhole-with-cosmic-strings.html