How Do They Do It? — Season 4

Forest Fires, Car Exhaust, Space Station

Go beneath the surface to understand forest fires, car exhaust and the space station.

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Family Car, Titanium, Letter

How 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

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Nuclear Sub, Crash Test Dummies, Fruit and Vegetables

Secrets behind nuclear submarines; crash-test dummies; growing fruits and vegetables.

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Land Mines, Air Boats, Warehouses

The world's largest land-mining machine; how airboats are built; warehouse for car parts.

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Black Boxes, Steam Turbine, Racing Car

How black boxes survive an airplane crash; transporting giant steam turbines; making fireproof suits for race-car drivers.

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Jet Engine, Weapons, Telescope

The design and manufacturing of large jet engines; non-lethal weapons that stun without killing; the world's largest telescope.

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