Pistol shrimp claw snap creates 4,700°C bubble

A pistol shrimp's claw snap generates a bubble reaching 4,700°C through cavitation. The bubble forms when water pressure drops, vaporizing liquid despite no heat input. The collapse emits a flash too dim and brief for the shrimp to see. Engineers replicate the effect to clean semiconductor wafers. The snapping action requires adult shrimp and specific joint mechanics.