Dark matter as an alien supercomputer: a speculative idea
In a discussion about whether advanced civilizations would visibly spread through the galaxy, one commenter suggests dark matter might be an alien supercomputer.
TLDR
One commenter argues that greater energy efficiency has never stopped humans from spreading—it only makes them want more energy—and questions why a civilization millions of years ahead would be different. In reply, another speculates that dark matter could be alien “computronium”: a vast supercomputer made of subatomic particles that don't interact with light.
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