Welcome back to our ongoing series on the Brief-ish History of METI, where we examine the rise, development, and possible implications of Messaging Extraterrestrial Intelligence. In our first installment , we explored some of the foundational principles and how METI emerged as a possible answer to the " SETI Paradox ." In a Universe where everyone is listening, and no one is broadcasting, should we as a species take the first step?

Naturally, this subject has sparked controversy and heated debate. In a Universe so vast and filled with so many unknowns and possibilities, is it wise to announce ourselves to potential alien civilizations? If we assume only 1 in 100 are hostile, what would be the consequences of sending a message saying, "Here we are!"? On the other hand, if we choose to remain silent and only listen to the cosmos, could we be missing out?…