Mathematics Archives
Math Archives: Visual Calculus: Families of Exponential Functions
This site shows a visualization of families of exponential functions.
Other
A More in Depth Look at Turbidity
A clear concise site that defines turbidity, states why it is important, discusses measuring turbidity, and lists natural and human factors that affect the turbidity of water.
Curated OER
Diagram
A very thorough view of the insides of a mixer and how it works. There are several diagrams to help visualize the concepts explained.