Gravitational Waves: The Unsolved Mysteries of the Universe
Gravitational waves have been detected in the universe, but nobody has figured out what to do with them yet. It's like finding a mysterious, cosmic to-do list that nobody bothered to write.
Maybe they're a message from aliens trying to get our attention? Maybe they're a side effect of eating too much cheese pizza? Who knows?
But one thing is for sure: we're gonna need a bigger calculator to figure this one out.