Drake Equation T-Shirt for SETI Institute


$ 25.00

NOTE: In order to better manage through difficult times, we are trying crowd-funding designs that are low or out-of-stock. Please consider backing this item. This item was funded and we expect to begin shipping by June 6.

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.


$ 1,350.00raised of $ 800.00 goal

168% Funded!

The campaign will end May 18, 2020 20:00 (Pacific Time (US & Canada)) but if this design reaches the goal of $ 800.00 we will begin production ASAP.

Calculating time remaining