Gravitational waves
Concept
Ripples in spacetime caused by accelerating massive objects. The video discusses their detection from collisions of compact bodies and potentially from spacecraft.
Mentioned in 2 videos
Videos Mentioning Gravitational waves

What If The Speed of Light is NOT CONSTANT?
PBS Space Time
Ripples in spacetime caused by accelerating massive objects. The video discusses their detection from collisions of compact bodies and potentially from spacecraft.

What's Going Wrong in Particle Physics? (This is why I lost faith in science.)
Sabine Hossenfelder
Mentioned as a phenomenon that took half a century to directly detect, used as an example of how long scientific discoveries can take.