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Flint and Steel at 5000fps -- thanks Slow Mo guys!

Watch as Redditors debate what kind of "flint" this is.

Magnesium? Ferrocerium?

6:08 PM Oct 15 2012

If its FireSteel its made of Magnesium.

6:30 PM Oct 15 2012

It does appear to be a FireSteel but I thought Magnesium was softer than that?

7:06 PM Oct 15 2012

Its technically a magnesium alloy. You can buy it over at ThinkGeek

9:43 PM Oct 15 2012

That makes sense -- and under $20, makes a good gift!

10:15 PM Oct 15 2012

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