Much of the debate over interactive television has focused on immediate push-button access to a wide range of high quality, full motion video programs. Public broadcasters need to position themselves for the coming age of digital transmission; they can do this by concentrating on transition services that offer increased interaction with less risk…

Teachers have explored the use of radio in the classroom almost since radio technology entered into the mainstream of society, yet radio remains a relatively unused mode of instruction. This Digest describes several radio applications and summarizes various radio activities to assist teachers in integrating technology into the curriculum.…