4 ms·
Why would any self-respecting interstellar civilisation build probes out of metal? It's expensive, heavy, doesn't breed very well, and doesn't last. A true int
by david-given 11y ago
Why would any self-respecting interstellar civilisation build probes out of metal? It's expensive, heavy, doesn't breed very well, and doesn't last.
A true interstellar self-replicating probe is going to look like a fat molecule. Hell, they could be here already; panspermia is still a totally valid theory.