3 ms·
> There's only ever going to be right here, right now. Which means it's impossible to construct a wormhole to the past, since the past doesn't exist. But GR do
by goatlover 9y ago
> There's only ever going to be right here, right now.
Which means it's impossible to construct a wormhole to the past, since the past doesn't exist. But GR does theoretically allow for certain configurations of space to bridge different time frames.