This collection of 25 papers and panels presented at the 1971 Engineering Conference of the National Association of Broadcasters surveys recent technical developments in the field. At least four of these papers are relevant to education. "Everything You Wanted to Know About Cartridge Machines--But Were Afraid to Ask" describes improvements in recent models of cartridge machines, explains procedures for the maintenance of these machines and how to use test cartridges to determine sensitivity of cartridges. "Magnetic Tapes in the 70's" concerns improvements in technology which have produced better tapes. "Operational Experience with Video Tape Cartridges" explains how these cartridges have allowed one television station greater efficiency, economy, and flexibility in showing commercials. "Computers and Automation--Are They in Your Future?" suggests that the potential of computers to automate television traffic operations is great and should be fully utilized. (JK)