Jerry Morrison (FIRST Team 971) and Ron Crane (FIRST Team 670)
A high speed video camera is very useful for testing, measuring, calibrating, and debugging robot mechanisms. It's like an oscilloscope for mechanical engineers.
Let's start with some examples from the FRC 2013 season ("Ultimate Ascent").
Frisbee launch and flight from a circular shooter prototype (120 fps):
The good folks at FIRST Team 1718, The Fighting Pi, took the initiative to publish an online version of the "Behind the Design" series. We're cohosting a copy to help with their website bandwidth.