The earliest scientists first observed the waves that earthquakes produce before they could accurately describe the nature of earthquakes or their fundamental causes, as discussed in Lessons 1–5.

Light's behavior seems counterintuitive. That is, until you figure out light is a wave. The way light behaves can seem very counterintuitive, and many physicists would agree with that, but once you ...

We explore electromagnetic wave properties and the electromagnetic spectrum. Unit 6 Segment F: Electromagnetic Wave Properties We explore electromagnetic wave properties and the electromagnetic ...

For more than half a century, the idea that light or radio waves could suddenly reverse in time sounded like a thought ...