Why don't we have space portals yet, /sci/?

>>8057363
If it's so easy why don't you make one?

Exotic particle quantum tunneling yachting quarks

>>8057363
Because we don't have a way to make arbitrary amounts of negative energy

Tachyon

>>8057363
they would violate causality
https://en.wikipedia.org/wiki/Relativity_of_simultaneity

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30KB, 410x290px

>>8057491
>muh causality
Causality is a farce anyway. If I were travelling at a considerable fraction of light speed and punched you in the face, we would both experience it at a different time.

>>8058268
But you would both agree that the punch preceded the experience

>>8057363
worm holes are a crackpot theory at the momment

>>8058274
So?

I vaguely remember some meme scientist stirring a glass of water and using that as an analogy for inter dimensional travel

Pretty neat desu

>>8057363
Why do the portals need to be in space?

>>8057363
USA doesn't want to give public access to their Stargate.