Last week the 4th floor of our building here was invaded by a 6-8-person TV crew and all their voluminous gear that was making a film for PBS showing next year, `2001: HAL's Legacy'. Interviews with Professors Andy van Dam and Eugene Charniak were taped for this project, which compares the achievements in computer science and technology portrayed in the 1968 movie `2001: A Space Odyssey' with what has actually been done. Writer Arthur C. Clarke and director Stanley Kubrick were widely praised at the time for trying to `get the science right'. How closely, the project asks, does ...