Saturday 10 July Chris Barrie's Massive Engines:
Ships Chris Barrie charts the development of marine engines from early steam ships to the mammoth diesel powered ships of today.
Discovery Channel, 11.30am Sunday Extreme Archaeology This week's ingredients are an unstable mineshaft, rotting beams and chemical slime - all located beneath a mountain in north Wales.
Channel 5, 8pm Monday Brain Of Britain Forty-eight contestants battle it out to become this year's champion.
Asking the questions is Robert Robinson - yes, he of 'Ask The Family'. You remember. 'On my left, the Fortesques from Esher.
Hesketh is a chartered accountant, his wife Jemima a housewife and children Tarquin and Pollyanna attend St Botolphs in Tunbridge Wells. Can you tell me who was first Lord of the Admiralty from 1883-1887?'
BBC Radio 4, 1.30pm Tuesday Restoration The new series kicks off in Scotland. Contenders for salvation are a castle, a wood mill and a Georgian mansion.
BBC2, 9pm Wednesday Connect Quentin Cooper asks why the Earth's helium is running out despite being the second most abundant element in the universe.
BBC Radio 4, 9pm Thursday Seminar: William Murdoch and Other Forgotten Engineers The Scottish engineer and inventor tops the bill in a Kew Bridge seminar that examines his life and work. Inventor of a steam powered tricycle in 1785 and a pioneer of gas lighting, one of Murdoch's descendants, Peter Glass, is one of several speakers to pay homage in a day-long appraisal.
Limited to 45 delegates, some tickets remain. For £50 you get a delegate pack, morning coffee, lunch and tea. The financially challenged can take heart - the museum starts a William Murdoch exhibition on Friday 16 July.
Kew Bridge Steam Museum, Brentford, Middlesex Tel: (020) 8568 4757 www. kbsm. org Also take a look at:
www. murdochflyer. freeuk. com Demolition Day Two teams attempt to build an aqueduct from unlikely materials and then do their best to expose the opposing team's structure as a flimsy travesty by attempting to destroy it.
Discovery Channel, 11am And congratulations. . .
Put civil engineers at the helm and what do you get? Success, my friends, success. The team of the Kithros II triumphed in the 2004 Three Peaks Yacht Race and, as anyone who reads this venerable column will tell you, there were three civil engineers aboard the victorious vessel. Bill and Neal Ricketts with Chris Rogers did the sailing, while Deb and Bridget Ricketts provided assistance from land. Raising £500 for charity, the team would like to pass on thanks to all who gave money and to those who turned up to wish them well - including some learned and well read individuals who heard of the challenge in Foresight. Trebles all round, then.