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Did You?
British scientists Richard Ambrose and Jonny Phillips return with a new series of this fun-but-informative show that explains...
(00:50)
Air Propelled Sandwich
This time the Planet Mechanics are tackling one of the world’s biggest problems, traffic pollution.
(02:12)
New Vehicle Delivery
Now it’s time for Dick and Jem to proudly reveal their new thoroughbred delivery vehicle to the expectant new owners.
(04:55)
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 Powered Moped
So they’re building a moped powered by fresh air. They’ll replace the petrol engine with an air motor and the gas tanks...
(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)
Explosive Gas Plant
Although the tank seems leak proof, Dick and Jem are taking no chances with their potentially explosive gas plant. They’ve...
(02:52)
No Room for Error
First off, the wind turbine blades. With each of them needing to be just over a meter long, equally balanced, perfectly...
(03:00)
Reconnaissance Mission
Having agreed that wind and water are the most promising elements in this inhospitable landscape, it’s time for a...
(02:47)
High Spinning Windmill
Dick’s also got a mechanical mountain to climb. He’s got a few short days to manufacture a high spinning windmill.
(02:50)
The Alhambra
The most impressive monument to Muslim engineering in the Western world the Alhambra towers over Granada in southern Spain....
(01:01)
The Alhambra: The Watchtower
Discover the secrets of the Alhambra’s defences and explore the watchtower – the anchor for the planned Muslim fortress.
(02:57)
The Alhambra: Palaces & Gardens
There was more to the Alhambra than a fortress – it was also designed with Palaces and peaceful gardens in mind. Discover...
(05:00)
Petra: Water in the Desert
Discover how the Nabutian builders of Petra transported water through the scorching desert using terracotta pipes, and...
(02:59)
Petra: Master Engineering
Find out about the constructional engineering that went in to building Al Khazneh, which is integrated into the rock face.
(02:55)
Petra: Al Khazneh
Al Khazneh is Petra’s architectural highlight. Find out about the engineering genius behinds its construction and who...
(04:59)
Petra: Ancient City
The ancient lost city of Petra is a magnificent sight – find out how it was discovered in the eighteenth century and why it...
(02:28)
St. Paul's Cathedral: Parliament
Sir Christopher Wren made a colossal gamble in completing St. Paul’s Cathedral, putting in the equivalent of $6 million of...
(03:00)
St. Paul's Cathedral: The Great Model Design
The equivalent of half a million dollars in today’s money, Sir Christopher Wren’s ‘great model design’ of St. Paul’s...
(02:58)
St. Paul's Cathedral: Religious Conflict
It was 9 years after the Great Fire of London before work on St Paul’s Cathedral began. But in an age of intense religious...
(02:59)