Rare is the inspirational, spontaneous, transformative moment shared among 20 million people. In the summer of 2010, people around the world were moved by the sighting of a double rainbow--almost a triple rainbow--"all the way across the sky" in Yosemite National Park. Caught on video and posted to by YouTube by Paul Vasquez in January 2010, the…

This compilation of guidelines for using and producing various forms of media begins with hints for bulletin boards and other displays, including principles of layout, elements of design, and use of color. Advantages and disadvantages of using overhead transparencies are then outlined. Recommended uses of transparencies are listed, and tips for…