Sir Roger made the diagram. We made it wearable—so everyone knows exactly where in space and time to find you. Here's the specs of your diagram: 1.5 inch enamel pin 5x8 cm holo foil backing card Rubber fasteners on backside Limited-edition Penrose pin—pre-sale ends midnight September 9th and this pin will ship by end of October-early November 2025.

This black hole embroidered black on black cap is so stealthy even photons can’t spot it—this all-black cap pulls your whole look past the fashion event horizon. Cross its stitched event horizon and you’ll find no escape from looking infinitely cool.

Retired scientist Dr. Jim Slater mapped the cosmic waltz of the Sun, Earth, and Moon as they surf the Milky Way—and he’s a Space Time fan to boot. He’s gifted us permission to plaster that swirling orbit diagram smack onto your chest. Slip into this tee or hoodie and you’re literally wearing a scientifically accurate GIF frame of our solar system’s galactic road trip. Perfect for flexing orbital dynamics at your next terrestrial shindig—or any other tiny patch of space-time you occupy.

A good drink can take us into timeless and spaceless space. But if you'd like to know how to actually chart your course to an actual timeless spaceless place, then enjoy this your drinks in this rocks glass that has a Penrose diagram of a black hole etched onto it. Specs: The glass is 10.5 oz This item is limited edition and will only be available for the holidays!

This binary black hole orbit t-shirt, that shows how two supermassive black hole accretion disks would warp when viewed from near the orbital plane. And it looks cool.

This binary black hole orbit sweatshirt shows how two supermassive black hole accretion disks would warp when viewed from near the orbital plane. And it looks cool.