Produced using a secret formula that remains a mystery to this day, Greek fire was a burning-liquid weapon used by the Byzantine Greeks, Arabs, Chinese, and Mongols. Early on, it took the form of a burning cloth ball fired with a catapult. Later advances produced a flamethrower-like device that discharged a stream of burning fluid which, according to many historical accounts, water could not extinguish. What are some of the ingredients thought to have been used in the production of Greek fire? Discuss