Find the answers to some of the world’s most interesting questions with these curiosity-inspiring series.

How To

An insight into the production process for retractable ballpoint pens, solar salt and tubas.

How It's Made

Air boats; onions; 3D metal printing; curved cabinet doors.

Graphite pencil leads, clarinets and special effects are put under the spotlight to see how they're made.

Fly fishing reels; house paint; weaving loom; ice maker.

More everyday items are put under the microscope as we discover how headphones, diving regulators and reflector light bulbs are made.

Custom running shoes; axes; racing karts; animatronics.

More everyday items are put under the microscope; offering insight into how stuffed olives, astrolabes and western saddles are made.

Examining how items such as ski goggles, tower cranes, porcelain figurines and diesel engines are manufactured.

Surfboard; stickers; sandwich cookies; concrete roofing tiles.

Sails; walnuts; wheel immobilizers; honeycomb structural panels.

More everyday items are put under the microscope; discovering how golf clubs, waffles, custom wires and cables and train wheels are made.

Western revolver replicas; arc trainers; used-oil furnaces; vegetable peelers; pizza cutters.