Season 4
6 episodes · Apr 11, 2007
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- S4E1
Forest Fires, Car Exhaust, Space Station
Apr 11, 200722mGo beneath the surface to understand forest fires, car exhaust and the space station.
- S4E2
Family Car, Titanium, Letter
Apr 11, 200722mHow a spacesuit keeps an astronaut alive, the diesel engines that power the world's biggest ships, and the manufacturing processes behind the famous neon signs which cover Las Vegas
- S4E3
Nuclear Sub, Crash Test Dummies, Fruit and Vegetables
Apr 18, 200722mSecrets behind nuclear submarines; crash-test dummies; growing fruits and vegetables.
- S4E4
Land Mines, Air Boats, Warehouses
Apr 18, 200722mThe world's largest land-mining machine; how airboats are built; warehouse for car parts.
- S4E5
Black Boxes, Steam Turbine, Racing Car
Apr 25, 200722mHow black boxes survive an airplane crash; transporting giant steam turbines; making fireproof suits for race-car drivers.
- S4E6
Jet Engine, Weapons, Telescope
Apr 25, 200722mThe design and manufacturing of large jet engines; non-lethal weapons that stun without killing; the world's largest telescope.