Parent categories: Telecommunications technology.


How do we "Message to Extraterrestrial Intelligence"?

YAML Category

The METI (Messaging Extraterrestrial Intelligence) is the attempts to transmit messages to search for extraterrestrial civilizations.

METI has generally been thought to be risky (e.g., due to "the fear of annihilation by an advanced civilization").

Various methods (especially safe ones) of doing METI are of interest.

method Write to Galaxies

Treat galaxies like CD drives to send directional laser updates of our civilization, and survive in the minds of the distant future civilizations.

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