Why Ballast is Used Under Railway Tracks? 🚆 #civilspeaks

Why Railway Tracks Need Stones 🚆 (Ballast Explained) #civilengineering #construction

Replacing Heavy-Duty Semi-Truck Brake Shoes Manually #worker #process #trucks #mechanic #diy

Inside the Incredible Process of Replacing a Ship Propeller 🚢

🌴Naples Florida 239🌴 (@onlynaplesflorida)’s video of lights

Fluorescent Bulb Under Power Lines Glows Like This ⚡️ #shorts #experiment

When white light, such as sunlight, interacts with a dispersive medium like a prism, it separates into its constituent wavelengths due to the varying degrees of refraction for different colors. 🟣 Violet: 380–450 nm (nanometers) 🔵 Blue: 450–495 nm 🟢 Green: 495–570 nm 🟡 Yellow: 570–590 nm 🟠 Orange: 590–620 nm 🔴 Red: 620–750 nm This range of wavelengths constitutes the visible spectrum, which is the portion of the electromagnetic spectrum that human eyes can detect. Each color corresponds to