Weird History 10 Mysterious Ancient Inventions Science Still Can't Explain  

Kellen Perry
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Googling "mysterious ancient discoveries" or "unexplained ancient inventions" leads to dozens of sites listing artifacts supposedly so baffling the only possible answer could be aliens, time travel, the paranormal, the Iluminati, or aliens. Wait - did we already mention aliens? Sorry: they're a go-to explanation for anything apparently too sophisticated, weird, or "out-of-place" for "humans figured it out, okay?" to be a satisfying explanation.

It's a disheartening discovery, because once you separate the hoaxes and nonsense from the finds of actual archeological interest, there are still cool mysteries to explore. The list below features mysterious ancient inventions, unexplained ancient discoveries, and some slightly more recent finds still baffling to scientists in the 21st century - but not because they're a sign of alien tech. Give humanity a little more credit, y'know?   

Deadly "Greek Fire" Was a Family Secret


Deadly "Greek Fire" Wa... is listed (or ranked) 1 on the list 10 Mysterious Ancient Inventions Science Still Can't Explain
Photo: Public Domain/via Wikimedia

It's not like anyone is aching for napalm to make a comeback, but scientists and historians are nonetheless very curious about 7th-century "Greek Fire," a deadly proto-napalm fired from ships that "would cling to flesh and was impossible to extinguish with water." Sounds like a nightmare!

The Byzantine Empire wielded it with aplomb, but, like Coca-Cola Classic and Bush's Baked Beans, the recipe for Greek Fire™ was a protected family secret. National Geographic pulled a Mythbusters and took a guess at the ingredients in 2002, using a "bronze pump" and a "mixture of light crude oil and pine resin." The results? It destroyed a ship "in minutes." Good guess!

The Recipe for Damascus Steel Remains a Mystery


The Recipe for Damascus Steel ... is listed (or ranked) 2 on the list 10 Mysterious Ancient Inventions Science Still Can't Explain
Photo: Public Domain/via Wikimedia

Returning from the Crusades, a lot of perplexed Europeans started talking about swords wielded by Islamic warriors "that could slice through a floating handkerchief, bend 90 degrees and flex back with no damage." Fast-forward to the 21st century and the recipe for so-called "Damascus steel" is still a mystery. The blades were likely made of "crucible steel," which is created by melting iron with plant matter, but no one knows the specific type of crucible steel used to yield such a blade. It might as well be a lightsaber.

The Voynich Manuscript May Ultimately Just Be Indecipherable


The Voynich Manuscript May Ult... is listed (or ranked) 3 on the list 10 Mysterious Ancient Inventions Science Still Can't Explain
Photo: Public Domain/via Wikimedia

If you haven't heard of the Voynich Manuscript, you're in for a treat. Researchers say the absolutely bonkers, hand-written and hand-drawn manuscript, featuring text in an indecipherable language and hundreds of illustrations including "a myriad of drawings of miniature female nudes, most with swelled abdomens, immersed or wading in fluids and oddly interacting with interconnecting tubes and capsules," was created by someone sometime during the 15th century in Central Europe. A Polish-American antiquarian bookseller named Wilfrid M. Voynich acquired it in 1912. Other than that, who knows? It's a total mystery.

If it's supposed to mean anything or help people understand anything, it has failed miserably. That said, it is one of the few genuine mysteries out there. Do yourself a favor: jump down the Voynich rabbit hole. Just don't blame Ranker if you lose your mind a little.

The Antikythera Mechanism Is a Mysterious Astrological Calendar


The Antikythera Mechanism Is a... is listed (or ranked) 4 on the list 10 Mysterious Ancient Inventions Science Still Can't Explain
Photo:  Marsyas /via Wikimedia

Unlike the Roman dodecahedra, scientists have a pretty good idea what the so-called Antikythera Mechanism is all about. Discovered at the bottom of the sea in 1901, the intricate device was likely constructed around the end of the second century BC.  It “calculated and displayed celestial information, particularly cycles such as the phases of the moon and a luni-solar calendar,” according to research compiled in Nature.

But we still don’t know who built it, who used it, and what they used it for, exactly. It’s also still unclear why it is “technically more complex than any known device for at least a millennium afterwards,” to quote the Nature abstract, which prompted a zillion “ancient aliens” and “TIME TRAVEL IS REAL!!” blog posts after it was published in 2006.

But history, as Brian Dunning of Skeptoid notes, tells us similar gear-based technology was around two and a half millennia prior, and Occam’s Razor tells us any “siblings” of the Antikythera Mechanism, like most commonplace bronze objects of the period, were likely “recycled” into other objects. It’s still mysterious, just for less sexy reasons than some might think.