Describes Internet Relay Chats (IRCs), electronic conversations over the Internet that allow multiple users to write messages, and their applications to educational settings such as teacher collaboration and conversations between classes. Explains hardware and software requirements, IRC organization into nets and channels, and benefits and…

Reviews the potential relationship between visualization and effective instruction. Highlights include the use of graphical user interfaces for enhancing visual communication, integrating visual communication into courseware design, theoretical principles of visual communication, empirical research needs, AIME (amount of invested mental effort),…