In a special live edition, Tomorrow's World presents Megalab 96, the world's biggest scientific laboratory. Viewers have the chance to take part in a series or fascinating mass experiments to help test some extraordinary theories.
Among these is a contest to build the best paper plane from a single sheet of A4 paper and break the world record for flight duration with it. Representatives from universities, industry and the general public will be invited to an aircraft hangar to put their design to the test. Can Britain's boffins build the ultimate paper plane?
See today's choices.

Further Detailsd: Ceefax page 623. the TW Hotline on [number removed], or the Internet on [web address removed]
See John Peel: page 10
Radio Times clockwork radio offer: see page