4 ms·
Even light/radio has a signal-to-noise problem. You need a supernova-sized signal source, at least. (And then you have the problem of modulating a supernova..
by AnimalMuppet 11mo ago
Even light/radio has a signal-to-noise problem. You need a supernova-sized signal source, at least. (And then you have the problem of modulating a supernova...)