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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)
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)
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)
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)
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
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
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)
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)
Cow Slurry
Andy has tipped them off about a tank. They could fill this with cow slurry and use it as a digester to make biogas.
(02:25)
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)