A COMMON COMPLAINT of computers-in-the-classroom critics is that instructional computing cannot be seen as an end in itself, for the mere introduction of high technology in the classroom cannot solve all of education's ills in an instant, as some futurists would seem to suggest. But when computer technology is treated as a tool which complements the more traditional, yet active elements of instruction, the ability of the computer to expand education becomes more apparent. The National Geographic Kids Network attempts to do just that.