This is a two-foot length of acrylic rod that has been
bent in to the curlicue form shown. It is used to demonstrate the "piping"
or "bending" of light by total internal reflection in a clear plastic rod.
Both ends of the rod have been cut square, sanded and polished.
light source, including an ordinary flashlight, may be used.
Length of rod before
bending is 2 feet.