How do we "Message to Extraterrestrial Intelligence"?

YAML Interest

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.

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