How does gravity work at a fundamental quantum level?

Gravity is like a quiet game that makes everything pull together, even if they're far apart.

Imagine you have a big soft trampoline. If you jump on it, it bends down. Now put a small ball near the bent part, the ball rolls toward the center because of the bend. That's kind of how gravity works, like the trampoline bending around heavy things, and lighter things moving toward them.

At a super tiny level, so small you can't see them even with a microscope, there are tiny players called particles. These particles don’t just sit still; they're always dancing and talking to each other. One kind of particle is the graviton, which is like a messenger that carries the "pull" between things.

When something big, like Earth, is around, it sends out these tiny messages through gravitons. Other things, like you or your toy car, feel those messages and move toward Earth, just like how a ball rolls on a trampoline.

It’s like having invisible strings connecting everything, making them pull together, but instead of strings, there are tiny messengers called gravitons doing the job!