A Subatomic Duck Says Quack: Funny Particle Physics T-Shirt-T-Shirt

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 65% Cotton, 35% Polyester; Imported; Machine wash cold with like colors, dry low heat; Physicist puns are limited and not all students get them. Joking about protons, electrons and neutrons is still geeky fun for science nerds. Humor makes quantum theory interesting and gets people thinking about STEM. And the world needs more smart people.; Order larger for loose fit. A shirt for biology teachers, engineering majors, math prodigies and programming code monkeys. A tee for birthday parties, chemistry seminars and university lectures. Make your professor laugh during elementary experiments.; Lightweight, Classic fit, Double-needle sleeve and bottom hem