👉 In physics, a coruscation is a phenomenon where sound waves are bent or distorted when they pass through a medium that has a temperature difference between its interior and exterior. This effect can occur in various media, including air, water, glass, metal, and even liquids like oil. Here's an example of how this could work: Imagine you're standing on top of a mountain with a cool breeze blowing from the east. Suddenly, your ear drums start to vibrate as if they are playing