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Materials Science

Explore how the use of natural and manmade materials further technology. Read articles on subjects such as nanotechnology, iron steel and reverse osmosis.

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How Welding Works

For a process that simply bonds two pieces of metal, welding affects a lot of our world and some stuff that's out of this world, like the International Space Station. What's it like to man the torch?


How Sword Making Works

The centuries-old art of sword making involves incredibly intricate metal work, and it's still being practiced today. Get a rare glimpse into the creation of this ancient weaponry. See more »

How Iron and Steel Work

The refining of iron ore is one of the most historically significant achievements of all time. Find out how iron gets turned into steel and what it's used for. See more »