Drake Equation T-Shirt for Men
$27.00
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N = R* • fp • ne • fl • fi • fc • L. The Drake Equation was first presented by Frank Drake in 1961 and identifies specific factors thought to play a role in the development of extra-terrestrial civilizations. Get the tee and help spread the word that thanks to numerous advancements in technology; we are finally putting down hard numbers where once there were only variables.
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