What are bundles of photons?

A bundle of photons is like a group of tiny light particles all moving together, just like kids holding hands and running around the playground.

Imagine you're playing with flashlights in the dark. When you turn on your flashlight, it sends out lots of little photons, which are like tiny balls of light. Now, if you have several flashlights turned on at once, maybe from you and your friends, all those tiny light balls are moving together through the air. That group of moving photons is a bundle.

Sometimes, photons go alone, like one kid running by themselves. But when they’re in a bundle, it’s like a line of kids holding hands, all going the same way. This happens when light travels from something bright, like the sun or a lamp, to something else, like your face or a wall.

When you see a beam of light, maybe from a flashlight in a dark room, that’s a bundle of photons moving together. It's why the light looks so strong and focused, just like how a group of kids running together can be louder and more noticeable than one kid running alone.

So next time you see a flash of light, remember, it's a whole bunch of tiny, busy photons, all playing together!