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Concrete or Explosives?
Richard and Jonny prove the effectiveness of the concrete bomb versus conventional explosives in their biggest and most...
(03:26)
Comet Air Crash
In 1954, disaster struck again when a third Comet jet airliner crashed, throwing the future of commercial aviation into question.
(01:00)
Preview
Unravel a chain of critical events in the hours and minutes before the 9/11 attack.
(00:52)
Explosive Evidence
What an international recovery effort discovers at the bottom of the Atlantic sends shock waves around the world.
(00:53)
Hidden Danger
In 1991 something happened on board a 737 that sent shudders through the world of aviation.
(01:20)
Collision Over LA
A neighbourhood is destroyed in East Los Angeles, wreckage, still on fire, is strewn for blocks.
(01:02)
Miracle Escape
In heavy wind and blinding rain the crew struggle to land a passenger plane.
(01:02)
Crash on the Mountain
When the navigation system on American Airlines Flight 965 went wrong just before landing, the experienced pilots stalled and...
(02:21)
Inmate to Excon
There’s one thing harder than being inside one of America’s toughest prisons – being on the outside.
(01:23)
Women on the Edge
Wayne County Jail, Detroit, is targeting habitual femail offenders, for help, not punishment.
(00:52)
Perfect Weapon: Skull Smashers
Discover how weapons have been used to smash skulls for centuries in Skull Smashers.
(01:41)
Air Propelled Sandwich
This time the Planet Mechanics are tackling one of the world’s biggest problems, traffic pollution.
(02:12)
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 Tanks
Jem’s working on the mounts for the air tanks. They’re coated with carbon fibre, a material that can’t be welded. He...
(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)
Eco Workshop
The next morning and the Planet Mechanics’ eco-workshop is up and running. Dick and Jem are in the south of England on their...
(02:52)
Scrap Heap
Dick and Jem have come to this scrap heap to collect an old vehicle to recycle.
(02:52)
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)
Gas Tank
A few weeks later, Dick and Jem are back and can’t wait to see how much the gas tank has risen.
(02:57)