The Insides of These Everyday Objects Are Totally Unexpected

A Zippo Lighter

Ever wondered how you can light a fire with just the flick of your thumb? Well, this might be able to provide a little bit of insight for all you curious types. Thanks to some quick friction, a fire can appear in your hands in just a moment (or a few, depending on how long it takes you to get a grip on the top of it.)

The More You Know

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Post originally appeared on Upbeat News.