Vigeok-jincheon-roe: The Secret Weapon of the Joseon Dynasty (16th Century Grenade)
(Pronounced: Bee-gyuck Jin-chunn-roy) During the Imjin War (1592-1598), there was a legendary weapon that terrified the Japanese invaders. It was called ‘Vigeok-jincheon-roe’, which means “Heaven-Shaking Explosive Bolt.” As the name suggests, it flew through the air and exploded with a thunderous roar. 1. Advanced Science: The ‘Time-Delay Fuse’ What made this weapon truly terrifying was … Read more