Penrose — Conformal Diagram Tee

Spacetime folded until infinity fits on a page. The Penrose conformal diagram of an eternal Schwarzschild black hole — singularities above and below, horizons at forty-five degrees, light cones intact. Printed on garment-dyed heavyweight cotton. · Garment-dyed ring-spun cotton · Relaxed unisex fit · Printed in the USA