Step into the singularity with this clever physics humor tee. The design plays on the classic phrase ‘What happens in Vegas stays in Vegas’ by replacing Sin City with the ultimate cosmic trap: the event horizon. It’s a scientifically accurate joke—once you cross that line, nothing, not even light, can escape! This shirt is the ultimate conversation starter for astronomy clubs, physics lectures, or science fiction conventions. Whether you are an astrophysics professor, a space enthusiast, or just a nerd for gravity, this shirt captures the dark humor of the universe perfectly. It makes a stellar gift for birthdays, Christmas, or graduation for the budding scientist in your life.