4 ms·
https://en.wikipedia.org/wiki/Closed_timelike_curve#General_relativity https://en.wikipedia.org/wiki/Closed_timelike_curve#General_...
by hansen 10y ago
https://en.wikipedia.org/wiki/Closed_timelike_curve#General_relativity https://en.wikipedia.org/wiki/Closed_timelike_curve#General_...