What burning-liquid weapon was used by the Byzantine Greeks to great effect as it could continue burning even on water?
Byzantine science century and half years later again by historians. The next case of separating conjoined twins will be recorded first about 700 years later in the year 1689 in Germany. Greek fire was an incendiary weapon used by the Byzantine Empire. The Byzantines typically used it in naval battles to great effect as it could continue burning even on water. It provided a technological advantage, and was responsible for many key Byzantine military victories, most notably the salvation of Constantinople from two Arab sieges, thus securing the Empire's survival. Greek fire proper however was invented in c. 672, and is ascribed
Burning glass antiquity. Vases filled with water used to start fires were known in the ancient world. Burning lenses were used to cauterise wounds and to light sacred fires in temples. "Plutarch" refers to a burning mirror made of joined triangular metal mirrors installed at the temple of the Vestal Virgins. Aristophanes mentions the burning lens in his play "The Clouds" (424 BC). Archimedes, the renowned mathematician, was said to have used a burning glass as a weapon in 212 BC, when Syracuse was besieged by Marcus Claudius Marcellus. The Roman fleet was supposedly incinerated, though eventually the city was taken and