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PBS Space Time
Our Only Chance To Finally Unlock The Gravity Particle
There’s a new generation of experiments that may unlock the gravity particle.
Something Disturbing Happens When You Solve Einstein's Equations This Way
PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.
Something Disturbing Happens When You Solve Einstein's Equations This Way
Season 11 Episode 25 | 14m 42s | CC
Gödel discovered a solution to General Relativity that actually permits time travel — no exotic physics required. His "Gödel universe" reveals that spacetime itself can loop back on itself under certain conditions, blurring the line between past and future. This exposes a startling limitation: the theory offers no guarantee of a consistent cause and effect.
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