Posted: Apr 21, 2019 4:32 pm
by Arcanyn
aufbahrung wrote:Grey goo is the way it ends. The only feasible explanation for no slow exponential conquest of the galaxy by advanced civilizations is they invent grey goo every time. And render themselves as techno-bio-dust for want of the missing term. And we are on the way too.

The problem with that scenario is that self-replicating nanobots already exist. They're called bacteria, and they've been around for billions of years without managing to consume the Earth.