Retired science teacher and photographer Warren Marchioni will present a slide-lecture about "Stereo and 3D Photography" on Monday, December 16 at 6:30 pm at the West Caldwell Public Library, 30 Clinton Road. He will explore how to add another dimension to your photographs such as stereo or 3D photography. He will demonstrate several ways to accomplish this creative task and will also discuss the history of stereo photography and the science of stereo perception. 3D glasses will be provided for all participants to enjoy the 3D aspects of the presentation. Some other topics covered include virtual reality and 3D movies. To sign-up, call the Library at 973-226-5441 or sign-up online@ https://bccls.libcal.com/event/6069091.