Curiosity Doses on Instagram: "Bullet trains are true engineering laboratories in motion — and the simple act of spraying water before they stop is the result of a precise combination of physics, aerodynamics, and operational safety. 💧 When a train traveling at over 300 km/h approaches a station, it creates pressure waves in the air, capable of affecting both the structure and passenger comfort. The mist of sprayed water serves to dissipate these waves, softening the aerodynamic impact and stab