: Inheritors of the Greco-Roman tradition, the Byzantines continued to use and refine classic torsion engines powered by twisted skeins of horsehair or sinew, such as the ballista and the scorpion .
: During this era, Latin Christian "Franks," Byzantines, and Islamic forces under leaders like Saladin all utilized an incredibly similar array of massive mangonels and trebuchets, with siege engineers operating as highly sought-after international mercenaries. Medieval Siege Weapons: ''Byzantium, the Islami...
: Both civilizations actively studied, copied, and improved upon each other's machines. : Inheritors of the Greco-Roman tradition, the Byzantines
Islamic engineers did not merely adopt ancient technologies; they optimized them, writing extensive military manuals and calculating the physics required to smash some of the strongest walls in the world. Islamic engineers did not merely adopt ancient technologies;
: Islamic armies mastered the use of the trebuchet, adapting it into various forms, including the heavy manjaniq . They were instrumental in the transition from pure muscle-powered traction machines to hybrid and eventually counterweight-driven artillery.
: The ultimate medieval deterrent. This closely guarded state secret was a liquid incendiary pumped through pressurized siphons. While highly famous for decimating enemy fleets, it was also deployed from walls to incinerate advancing siege towers and battering rams.