The weekly programme on information and computer technology.
Fred Harris looks at some of the best games for the home micro - including those which involve more than mindlessly 'zapping' aliens - from the electronic version of "Trivial
Pursuit' to a game that tests your knowledge of physics and allows you to design your own pin-ball machine.
Ian McNaught-Davis tells the sad story of the Wingsail - an ingenious computer-controlled sail which when bolted to a ship saves a tenth of its fuel bill, but has almost ruined its inventor.
And award-winning journalist Steven ArkeU reports from the City of London on the technology, and the mistakes, behind the 'Big Bang'. Studio director
ALAN HAYDN GRIFFITHS Producer TERRY MARSH
Series editor DAVID ALLEN