Have you ever wondered why you just can’t just shine a flashlight through a lens and call it a laser? It’s because of the way a laser generates light in the first place.
The word LASER is an acronym for Light Amplification by Stimulated Emission of Radiation.
That’s a mouthful. Let's break it down.
Let's do an experiment that shows you how a laser is different from light from a flashlight by looking at the wavelengths that make up the light.
The light blox are no longer available, but you can use laser pointers such as these: https://amzn.to/3FAog5f
The downloaded worksheet says we need A red, green and blue Light Blox with slit caps, * One red and one green LASER Blox. What are these things and where do we get them?