 Now it might look pretty small and it absolutely is. Bounce is such a great word for physics because physics is all about energy and dynamism. Let's go and join power-up. Video, sound, all of those things. Hopefully you can see that the blue water is still sitting right on top of the yellow water. Then this will form a black hole. Everything is made up of atoms. For wind, it's an animometer. Is the light on, Neil? No.