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The Problem Of Cold Welding In Space

On Earth, you need a lot of heat to weld two pieces of metal together. But in space, metal acts very differently. Find out how this makes space travel tricky in the video below.

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Space Welding

Cold welding is not the futuristic metalworking technique it sounds like.

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How Does Welding Work?

Here's how welding happens on Earth.

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How Metal Can Fight Bacteria

Check out another little-known power metal possesses.

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