Fancy footworks Understanding funhouse mirrors
John M. Hood Jr.
The Reuben H. Fleet Space Theater and Science Museum has a number of displays for interactive use by children. One of the most puzzling (to children and adults alike) is the so-called "footwork" mirror. This small display on the second floor consists solely of a mirror curved around horizontal axes into a shallow "S" shape. It is placed at the wall so that, upon passing, one sees a short stubby leg hanging isolated in space with a foot on the top facing upward and another on the bottom more or less normally situated.
Become a member of OSA or log in to view the full text of this article.
OSA Members get the full text of Optics & Photonics News, plus a variety of other member benefits.