Jake Mueller searches for one of the many slides he prepared to explain image processing.

Jason Van Pee indicates that each cell of the grid may be selected by only one user.

Ryan Clausing illustrates how the length of a sound wave affects the sound that we hear.

Relaxing during a brief intermission ...

DCP, a very interested spectator ...

Carson Diltz calmly explains how coordinates from the GPS unit are displayed on his web page.