Could gravity be the universe’s way of keeping time-travel paradoxes in check? Fascinating idea, though the “catch” has me curious. 🪐 https://www.sciencealert.com/gravity-may-protect-the-universe-from-time-travel-paradoxes-but-theres-a-catchBy Thandi Mokoena, Nov 11, 2026. 5 likes, 0 comments.