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Dubai's Dream Palace
With its oil reserves dwindling, Dubai switches its sights to tourism, building the Burj al Arab, a 60-storey hotel in the...
(00:38)
Heart of the Problem
The next morning, and the whole bike has to be stripped down to get to the heart of the problem.
(02:55)
Air Motors
It’s not nearly as much as Jem wanted so he’s ordered the best air motors he can find, but these motors are normally used...
(02:55)
The Ultimate Test
Fortunately they still have the oil they made earlier. So it’s time for the ultimate test: will that oil fire up the grain...
(01:47)
Scrap Lawnmower
To drive the press, they’re salvaging this scrap lawnmower and will convert its petrol engine to run on biogas.
(02:57)
Grain Dryer
Is there anything else on the farm they can use to fuel the grain dryer?
(02:36)
Damp Crops
Grain can’t be stored if it’s too wet. Trouble is the average British summer means crops sometimes have to be harvested...
(03:00)
Electric Water Taxi
The Planet Mechanics are trying to save one of the world’s most beautiful cities – Venice.
(01:57)
Engine Concerns
They’re worried that the engine might not be strong enough but to get the boat onto the plane, Alberto will need to give it...
(02:19)
Marathon Test
Alberto has designed a marathon test for the solar-powered water taxi. The route will take at least two hours and they’ll...
(02:54)
Motor Boats
Dick and Jem travel to Italy to take on one of the world’s most polluting forms of transport -motor boats.
(02:43)
Jem Races Ahead
While Dick waits anxiously for an answer, Jem has raced ahead and started work on his generator. But how exactly will it...
(03:59)
Radical Project
Here in Ennerdale, there’s a radical project underway to rip out the rows of regimented pines and restore this valley to its...
(03:00)
Low Tech Pump
Like the rest of the windmill, the pump is unashamedly low tech but remarkably effective.
(02:48)
Stirling Engine
In theory a Stirling engine can be an extremely quiet efficient way of converting heat into movement, and if that heat is...
(02:50)
World Island Wonder
An in-depth look at the Petronus Twin Towers; the world’s tallest towers stand an amazing 1483ft above Kuala Lumpur.
(01:01)
Hanger Rooftop
The unique design of the hanger rooftop creates a difficult challenge for builders.
(03:02)
Aboriginal Traditions
The Eco School is recruiting the help of a native artist to integrate its design with aboriginal traditions.
(03:01)
Rolex Awards 2008
The Rolex Awards For Enterprise 2008
(00:59)
Hold Tight
Follow Ewan McGregor and best friend Charley Boorman as they prepare to bike from the top of Scotland to the tip of Africa.
(02:30)