# Lesson 15: Special Relativity, 1

> Confusion about light.

```{admonition}   What's Coming:
Arguably one of the most important experiments in the last two centuries, and certainly the  most important measurement ever of **zero**, starts in the Wild West of gold and silver mining – literally, the Wild West – and passes through Stockholm and the Nobel Prize. Let's talk about one of the more interesting physicists of all. Albert Michelson.
```