Deadly Evolution: Weapon Upgrades From the Japanese Katana to the Henry Rifle

Wars get bloodier as technology advances. An international team of experts tests the deadliest weapon upgrades that revolutionised warfare. An extremely dangerous arrow launcher secured Roman perimeters and changed ancient battle strategy. We compare the two most sophisticated swords of two very different worlds: the medieval longsword and the Japanese katana. The appearance of the Henry rifle shaped the future of firearms with a revolutionary design – the lever action mechanism.

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