Transcript:

Okay, notice the shadow of the matchstick on the wall. Here, I'll move it closer. You can watch the shadow of the matchstick on the wall.

Now, watch what happens when I light the matchstick. Notice there is no shadow of the flame. The flame casts no shadow on the wall. It's only the matchstick. You see?

It's pretty amazing. The flame casts no shadow.

Here, I'll do it again. See? The flame casts no shadow on the wall. It is pretty cool.