6 Advanced Ancient Inventions We Still Can’t Figure Out

I can’t even figure out how emails work so none of these are really surprising. “We’ve lost the secret to making some of history’s most useful inventions, and for all of our ingenuity and discoveries, our ancestors of thousands of years ago are still able to baffle us with their ingenuity and discoveries. We have developed the modern equivalent of some of these inventions, but only very recently.”

1. Greek Fire
2. Antidote To All Poisons
3. The Heat Ray
4. Roman Concrete
5. Damascus Steel
6. Nano Technology



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