Quantum fluctuations are like quantum leaps, but without the cool cape. In fact, they're more like the awkward, uncoordinated attempts to jump a toddler makes when they're still figuring out gravity.
Don't worry, it's not just the toddler. Quantum fluctuations happen when particles are all, "Hey, I'm gonna be over here, and no, I'm not, and oh, wait, maybe I am, and no, I'm not, and...". It's like a quantum game of tag, but with particles.
So, if you're ready to learn more about quantum fluctuations, click here for Quantum Fluctuations 202, where we dive deeper into the world of particle wibbly-wobbly-ness.