Introduced in 1842, cyanotypes are characterized by their blue tone, a result of the production of iron salts during the developing process; the heyday of audiocassette tapes was in the 1970s and 1980s. (nga.gov)
He has written several books, including Ashtanga Yoga: The Practice Manual, and produced a series of instructional yoga videos as well as a series of audiocassettes. (yogajournal.com)
In this lecture and screening, artist Peggy Ahwesh will discuss the technology and aesthetics of PixelVision, a black - and - white video camera that recorded and played images and sound on audiocassette tape. (newmuseum.org)