Yes, SETI attacks works only if speed of civ travel is like 0.5c. In that case it covers 8 times more volume than physical travel.
And yes, it will be also destructive, but in different manner: not bombs, but AIs and self-replicating nanobots will appear.
Yes, SETI attacks works only if speed of civ travel is like 0.5c. In that case it covers 8 times more volume than physical travel.
And yes, it will be also destructive, but in different manner: not bombs, but AIs and self-replicating nanobots will appear.