How Do They Do It? - Season 13 (2016)

Find out how the world's sharpest photos are taken, what it takes to create an airbag that can catch a falling care, and how jelly beans are made.

Find out how to build the world's toughest mobile home, how an ice rink is resurfaced in minutes, how tuning forks are made, and how they put on the world's biggest festival of lights.

How do they make the groovy vinyl LP? How do they build the dodgem? How do they make one of the world's oldest pain remedies, tiger balm?

How do they brew a beer that won't make you drunk? How do they build a car that flies over rocks? How are escalators made? How do lie detectors work?

How do they forge the axe? How do they put together a courier's messenger bag, and how are the fastest lifeboats built?

How do they make Wensleydale cheese, turn pig hair into paintbrushes, and distil aromatic oils from eucalyptus?

How do they build the world's fastest electric car, turn horses' tails into fine fabrics, and clean the largest swimming pools in the world?

How do they feed France's appetite for snails, turn slabs of steel into shiny cutlery, and craft a kayak you can paddle with your feet?

How do they build emergency bridges that can take the weight of a tank, make a marker pen that never fades, and design a 200-mph superbike?

How do they blow the world's finest crystal, heat the deepest swimming pool, and fill a million bottles a day of the world's favourite ketchup?

How do they forge a set of jaws that can chomp through concrete, stitch the historic airman's bomber, and brew the oldest beer in the Western World?

How do they turn Sheffield steel into a carpenter's handsaw, make a microphone that can pick up a whisper, and safely steer through a frozen river?

How do they brew moonshine in the heart of New York City, make a battery powered bicycle, and grow the rubber for wetsuits in the Arizona desert?

How do they mine one of the rarest gemstones in the world, craft the classic cowboy boot, and build a road sweeper that can pick up seven tonnes of trash?

How do they make the world's softest duvets, drill for oil thousands of metres below ground, and put the stretch in rubber bands?

How do they build a diesel engine that can fly, make cough sweets, turn clear plastic into bank notes, and whip up ice cream flavours?

How do they turn a family car into a fortress on wheels, grow millions of perfect Christmas trees and hammer out the world's finest cymbals?