Father and son, Dr. Walter Placek, Wilkes University professor, and David Placek, a teacher in the Wyoming Valley West School District, conducted science experiments on light and prisms with the third ...

Great question, Desiree. Let me start with a story about the scientist Isaac Newton. About 350 years ago, he was thinking a lot about light, and what it is made of. He held a prism up to the light and ...