We tend to think of our ancestors as less smart versions of ourselves; after all, they didn’t invent smartphones, or the internet, or other truly visionary stuff! But actually, our ancestors were much smarter than many of us give them credit for, and some things they created have baffled scientists for centuries! From structures only giants could have built, to a computer that pre-dates the age of Jesus, it’s time to explore some of the oldest technologies that even scientists can’t explain! 

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