Why Do Railway Tracks Have Gaps? | Thermal Expansion Explained #Shorts #physics #engineering

🔥 Why do railway tracks have gaps? Why do bridges expand in summer?

The answer lies in one of the most fascinating phenomena in science: Thermal Expansion.

As temperature rises, the atoms inside materials vibrate more intensely, causing solids like steel and concrete to expand. This simple scientific principle is the reason engineers design expansion joints in bridges and leave gaps between railway tracks.

In just 60 seconds, discover the hidden science behind everyday engineering structures through cinematic visuals and easy-to-understand explanations.

💡 Science is everywhere—you just need to know where to look.

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What other everyday engineering mystery should we explain next?

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