WTF Fun Fact – Greek Fire

Greek Fire was an incendiary weapon developed by the Byzantines in the 7th century and was impervious to water. It was used on ship to ship combat, as well as in handheld tubes, operating similar to a flamethrower. Its precise chemical composition was a closely held secret that has been lost to history. – WTF Fun Facts

Source: https://interestingengineering.com/greek-fire-the-byzantine-empires-secret-weapon-of-mass-destruction