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  • Concrete or Explosives? show

    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? show

    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 show

    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)
  • Perfect Weapon: Slings And Arrows show

    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 show

    Perfect Weapon: Skull Smashers

    Discover how weapons have been used to smash skulls for centuries in Skull Smashers.

    (01:41)
  • Perfect Weapon show

    Perfect Weapon

    Introducing the bone-crunching, flesh-tearing series that takes an alternative look at ancient weaponry.

    (01:48)
  • Six Degrees Could Change the World 1 show

    Six Degrees Could Change the World 1

    Climate experts examine what effect each rise of 1ºC could have on the world.

    (03:22)
  • Green Issues show

    Green Issues

    Climate experts continue to examine what effect each rise of 1ºC could have on the world.

    (01:17)
  • Planet Mechanics Interview show

    Planet Mechanics Interview

    Interview with eco-engineer Dick Strawbridge and inventor Jem Stansfield from Planet Mechanics

    (02:47)
  • Air Propelled Sandwich show

    Air Propelled Sandwich

    This time the Planet Mechanics are tackling one of the world’s biggest problems, traffic pollution.

    (02:12)
  • New Vehicle Delivery show

    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 show

    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 show

    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)
  • Eco Workshop show

    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 show

    Scrap Heap

    Dick and Jem have come to this scrap heap to collect an old vehicle to recycle.

    (02:52)
  • Air Powered Moped show

    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)
  • Cow Power show

    Cow Power

    This time the Planet Mechanics are tackling a tricky challenge down on the farm. Can they tame this fuel-guzzling monster, by...

    (02:02)
  • The Ultimate Test show

    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 show

    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 show

    Scrap Lawnmower

    To drive the press, they’re salvaging this scrap lawnmower and will convert its petrol engine to run on biogas.

    (02:57)