5 ms·
If at any point in the future of human history FTL travel or communications gets invented, we would already know about it.
by bashinator 12y ago
If at any point in the future of human history FTL travel or communications gets invented, we would already know about it.
- wlievens 12y agoAs far as I understand, faster-than-light communication violates causality in some reference frames but not in all. FTL communication without arbitrary tims travel might be possiblem