The Conversation All About Us Unheard

SETI was looking for evidence of extraterrestrials by scanning radio signals, trying to find the artificial against the backdrop of natural; no luck. Now they’re moving higher frequency: “Geoff Marcy is a prolific planet hunter, but now he’s turning his gaze to alien civilizations. He hopes they may be criss-crossing space with laser beams”. I don’t know as that’ll work. We’ll develop faster, more high frequency use of energy–neutrino transmission?–and as we do, we’ll start looking for the ETs on that level.

As we speed up, we catch up–and eventually we’ll catch up to them enough we’ll see or hear what is now invisible to us–signals that may be blaring through the galaxy, through media too refined for us to see or hear just yet.

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