“An extremely powerful gravitational field, such as that produced by a spinning black hole, could in principle profoundly warp the fabric of existence so that spacetime bends back on itself.”
Old news! This the the known cause of the FR double-posting bug. You make a post. As you hit the Submit button spacetime folds back on itself and there are two posts instead of one.
I’ve always wondered about that.
I just knew it couldn’t be MY fault.