"how The Universe Works" Are Black Holes Real(2... <Pro ✪>

: The episode centers on the "big problem" that the two pillars of modern physics—Einstein's General Relativity and Quantum Mechanics—fail to work together when explaining what happens at a black hole's singularity.

: Ripples in spacetime from massive collisions, which the episode presents as some of the strongest evidence for black holes. "How the Universe Works" Are black holes real(2...

: It details how we "see" something invisible. Because black holes are black against the blackness of space, they are impossible to see directly. Instead, scientists look for indirect evidence: : The episode centers on the "big problem"