OSA E-Day 2008: How A Kaleidoscope Works

Demonstration of several home-made kaleidoscopes, including a three-foot-long kaleidoscope. Also a discussion of angles of reflection and kaleidoscope patterns, and a demonstration of how kaleidoscope principles are used in manufacturing integrated circuits and powering flat-panel displays.
Presentation by Paul Dewa, Corning Tropel, www.corning.com/specialtymaterials. Video courtesy of Optimax Systems, Inc., www.OptimaxSI.com.

[@shtoykimuzhik4127]

Cool! Great practical uses

[@angelawu25]

Thankk yuu my science project is done :D

[@BittyBettyH]

where is the light coming from in this giant kaleidoscope?

[@alisonrusso1365]

theres a lamp at the bottom