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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)
Did You?
British scientists Richard Ambrose and Jonny Phillips return with a new series of this fun-but-informative show that explains...
(00:50)
Machine Gun
The evolution of the machine gun from its use in WWI to the GAU-8 Avenger, one of the deadliest machine guns in the world.
(00:34)
Tank
Climb inside an Abrams M1A2 tank before it goes off to war and trace the tank’s journey from WWI to modern-day war machine.
(00:49)
Cruise Missiles
Track the flight of a Tomahawk cruise missile and examine every key stage of its journey - launch, flight and target.
(00:38)
Perfect Weapon: Slings And Arrows
Watch as a selection of history's most gruesome projectile weapons are tested for their accuracy and deadliness.
(01:34)
Perfect Weapon: Skull Smashers
Discover how weapons have been used to smash skulls for centuries in Skull Smashers.
(01:41)
Perfect Weapon
Introducing the bone-crunching, flesh-tearing series that takes an alternative look at ancient weaponry.
(01:48)
Green Issues
Climate experts continue to examine what effect each rise of 1ºC could have on the world.
(01:17)
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 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)
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)