(Kelly of the Clue Crew shines a flashlight through a prism and the beam is redirected onto a different wall.) The prism refraction experiment that I'm reenacting was first conducted in a laboratory by this man in 1666
A ray of light is 
divided into its constituent colors by the first prism (left), and the ... Newton set up 
a prism near his window, and projected a beautiful spectrum 22 feet onto the far 
wall.