I was putting together slides for my light and optics unit, and remembered this old video I made. Great introduction to the EM spectrum and our limited view of it, in under a minute. #Iteachphysics#EduSkyyoutu.be/KItCpDouIfQ?...

How Are Your Eyes Like Vending Machines?

In this brief lesson, I give a simple analogy to help explain how the electromagnetic spectrum extends beyond our visible range...that there is 'invisible li...