What is Quantum Fluctuation?
Quantum fluctuation is the process by which subatomic particles randomly jump from one energy state to another, because, you know, that's just how the universe likes to party.
But, in all seriousness, it's a fundamental aspect of quantum mechanics that has led to some amazing breakthroughs in fields like quantum computing and particle physics.
And, you know, it's also really good for existential dread.