A mirage makes the road look wet because hot air near the ground bends light, tricking your eyes. Imagine you’re walking on a sunny day, the road feels like it’s shimmering with water, but it's just sunlight playing tricks on you.
What's happening?
Hot air is less dense than cool air, so it makes light bend as it travels from the sky to your eyes. This bending of light is called refraction, and that’s why the road seems wet, like there's water reflecting the sky above.
Examples
- On a hot day, the road seems to shimmer like it's wet.
- You think you see water on the highway, but it disappears as you get closer.
- Walking through the desert, you believe there's a lake nearby, until you arrive and find only sand.
See also
- What Causes the Northern Lights?
- How Does a Mirror Work Exactly?
- Why Does Time Seem to Fly When You're Having Fun?
- What Causes the Sky to Change Colors at Sunset?
- Why Do Stars Twinkle?
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Categories: Physics · Optics· Refraction· Mirages · Text is available under the Creative Commons Attribution-ShareAlike License.