Imagine a machine that can read out loud from any book or magazine; or a synthesiser that can reproduce the sound of an entire orchestra. Both were invented by Ray Kurzweil , whose latest project is to develop a voice-activated typewriter....
Freff reports from Boston. Lesley Judd tries out some software that lets you be your own Robert Maxwell. ...
And Ian McNaught-Davis checks the progress of the BBC's interactive video Domesday Project.
Studio director ALAN GRIFFITHS Producer PATRICK TITLEY