4 ms·
There is no reason to believe that spacetime is anything but an approximation, which breaks down at Planck-length scales. We have events, and causal relationsh
by leni536 4y ago
There is no reason to believe that spacetime is anything but an approximation, which breaks down at Planck-length scales.
We have events, and causal relationship between events. Events may not have precise spacetime coordinates.