App Clip
What Is an App Clip?
An app clip is a part of an application. It demonstrates part of what the application does and helps you to determine your interest in obtaining the full application. An app clip is free and does not require downloading or installation. The app clip is coming soon.

Lights on Materials
Our understanding of the things around us is partly based upon light and the colors light creates when it strikes materials having different characteristics.
A theater is the perfect place to experiment with light and materials, because you have complete control of lighting. Imagine a darkened stage where nothing is visible. Now, begin adding lights. Set their positions, directions, inner and outer beam widths, brightnesses, falloffs, colors and shapes. The result can be beautiful. If you have a question about how to do something, watch the two lighting videos.