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

and how the universe works

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

This design is inspired by the gravitational slingshot (gravity assist) — the elegant orbital maneuver that lets spacecraft steal a little momentum from planets and fling themselves across the solar system

or casual wear✔ A perfect gift for nerds who should probably get back to work

relatable joke for biology students

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