Aired: 4/11/2007
Go beneath the surface to understand forest fires, car exhaust and the space station.
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
Aired: 4/18/2007
Secrets behind nuclear submarines; crash-test dummies; growing fruits and vegetables.
The world's largest land-mining machine; how airboats are built; warehouse for car parts.
Aired: 4/25/2007
How black boxes survive an airplane crash; transporting giant steam turbines; making fireproof suits for race-car drivers.
The design and manufacturing of large jet engines; non-lethal weapons that stun without killing; the world's largest telescope.