Posted: Apr 24, 2019 11:36 am
aufbahrung wrote:Arcanyn wrote: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.
Birds have been around for a while but only human designed space shuttles flew in space. Organised stupidity isn't natural to bacteria, it needs engineering into the little buggers.
Interesting read after a clickbaity title:
There Are Toxic Fungi in Space and No One Knows If They're Dangerous
space.com source
There are other ways to get off-planet than rocket launches - we find meteorites on Earth from Mars, for example..