We want to thank you for attending our CSTA workshop. Thank you for taking a moment to fill out our short purchasing survey. Your opinion is important to us and will help us improve the products we carry. Just click below to start, and after you submit the survey and you'll be entered to our win a free [...]
Monthly Archives: August 2016
Posted on August19,2016 by Andrea Kelly
Posted on August10,2016 by James Lincoln
The Sunset Egg is a fun and engaging demonstration on the science of light. The egg is made of “opalescent” glass. This refers to the way it looks different at different viewing angles (similar to the gem’s properties).
An oil-polished Sunset Egg, lit from below, shows both blue sky and yellow sun.
To use the egg [...]