The Insides of These Everyday Objects Are Totally Unexpected

A Fire Hydrant

Have you ever wondered how a fire hydrant actually works? After all, you rarely ever see them in use, only in movies or in the event of a massive tragedy. As you can see from this photo though, it's actually just a clever covering for a high-pressure hose. The only question left is why do they make them red...

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The More You Know

  • Humans specifically have eyes that face forward for the purpose of seeing in 3D.
  • Your brain is sometimes more active when you're asleep than when you're awake.
  • Video games help surgeons perform better.
  • Bubble wrap was originally designed to be used as wallpaper.
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