Not a Green Psi - T-Shirt science brain shirt This minimalist science joke tee

This minimalist science joke tee is for physicists

Aristotle – So Wrong

Signal sequence and Jerry Ehman’s handwritten “Wow

Perfect for thinkers

Great gift for science teachers

Not a Green Psi - T-Shirt science brain shirt This minimalist science joke teeMost people see a cactus. Some people see the Greek letter psi (). And a very specific group of people immediately starts thinking about wavefunctions, quantum mechanics, and whether the shirt is making fun of them. This minimalist physics T shirt celebrates that specific group. Featuring a cactus shaped psi symbol and the caption, "It's a cactus, not a green Psi, you nerd", it's the kind of joke that only works on physicists, physics students, and