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 Aerogels Work

This not-so-new material looks like a hologram and could play a valuable role in the future of insulation, electronics, oil spill cleanup and green energy. So why don't aerogels have the A-list name recognition they deserve?


How a Cold Heat Soldering Iron Works

As an invention, Cold Heat seems to have everything. But reviewers -- both professionals and average users -- either love the tool or hate it, and some people question whether it's really "new" at all.

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.

How Iron and Steel Work

The refining of iron ore is one of our most historically significant achievements. The element is so important that primitive societies are measured by the point at which they learn how to refine it.