3 ms·
You're saying that, in principle, new physics could allow for FTL travel that nevertheless does not permit time travel and the grandfather paradox etc, right?
by simiones 7y ago
You're saying that, in principle, new physics could allow for FTL travel that nevertheless does not permit time travel and the grandfather paradox etc, right?
- haneefmubarak 7y agoYep! Alternatively, perhaps new physics would allow for what appears to be "time travel" but in reality is not (travel between the present here and a different "time" in a remarkably similar but parallel universe).