How Self-Replicating Spacecraft Could Take Over the Galaxy

Forget about generation ships, suspended animation, or the sudden appearance of a worm hole. The most likely way for aliens to visit us — whatever their motive — is by sending robotic probes. Here’s how swarms of self-replicating spacecraft could someday rule the galaxy. Watch CC Off English view video They Got Married in a Taco Bell in the Metaverse Is Chat GPT-4 Worth the Upgrade? | Future Tech Thursday 4:18PM What Drew Hannah Fry to the Field of Mathematics? Wednesday 2:00PM Top image by Alejandro Burdisio via Concept Ships . Back in late 1940’s the Hungarian mathematician John Von Neumann wondered if it might be possible to design a non-biological system that could replicate itself in a cellular automata environment , what he called a universal constructor. Von Neumann wasn’t thinking about space exploration at the time, but other thinkers like Freeman Dyson, Eric Drexler, Ralph Merkle, and Robert Freitas later took his idea and applied it to exactly that . Mathematically Efficient The strength of Von Neumann’s idea lies in the brute efficiency of exponential growth. Given enough time and patience, a single self-replicating probe (SRP) could produce millions upon millions of offspring; it would be like a… Read full this story

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