I'll Do It Yesterday - T-Shirt dark matter and how the universe works

and how the universe works

the hypothetical particle that moves faster than light and casually breaks causality while doing so

— a funny astronomy T-shirt featuring Jupiter anxiously trying to count its moons

Minimalist

and anyone who’s ever tried to explain spin to a non-physicist

I'll Do It Yesterday - T-Shirt dark matter and how the universe worksTime travel solves many problems. Procrastination is not one of them. Ill do it yesterday attributed, of course, to a tachyon, the hypothetical particle that moves faster than light and casually breaks causality while doing so. This minimalist science joke tee is for physicists, students, engineers, overthinkers, and anyone whose to do list exists in multiple timelines at once. Clean typography, subtle humor, and a reference that rewards people who