Throughout history, knowledge rises and falls, ebbs and flows. What once was known is forgotten again, lost in time, sometimes for centuries, only to be rediscovered ages later.
Millennia ago, the ancient Maya studied the movement of stars and developed a calendar that has not lost a day in 2,500 years. It was an astronomical feat that would take many centuries to be repeated. During the height of the Byzantine Empire, warfare changed dramatically with the invention of Greek fire, an incendiary weapon that could not be put out by dousing it with water. The recipe for making this strange flammable concoction was lost by the tenth century and wouldn’t be rediscovered until its closest counterpart, napalm, was created in the 1940s.
How did such knowledge become lost to antiquity? One example dates to the first or second century, when the legendary Library of Alexandria was burned to ashes. The library, founded in roughly 300 B.C. in Egypt, was said to have held over a million scrolls, a massive repository of knowledge like no other. It drew scholars from around the known world. The cause of its fiery destruction remains a mystery. Some blame Julius Caesar, who set fire to Alexandria’s docks; others attribute its ruin to marauding Arab conquerors. Still, what is certain is that those flames incinerated a vast treasure-house of secrets, knowledge from across the ages, lost forever.
But some secrets refuse to be buried. Within these pages is a story of one of those dark mysteries, knowledge so dangerous that it could never be fully lost.