Labs from YWI 91.

Here are some of the labs and lesson plans used by instructors during the Yerkes Winter Institute (YWI) in December 1991.

Important Disclaimers and Caveats

The schedule from YWI 91 is on-line.

Invisible Rays.
(day lab, written and taught by Dr. Jim Sweitzer)
We learn that there is light (from the Sun and light bulbs) that we don't see.