How Do They Do It?
An insider's look at the engineering and scientific miracles behind the things that form the modern world.
3. Cowboys Hats, Deep Sea Dive, Inflight Catering
0.0Jul 23, 2009 · 22 min
How do they make the world's most famous hat, and does it really hold ten gallons? Plus, how do they repair cables on the sea floor and feed 100,000 aeroplane...