Thermal expansion
- David Lim
- Nov 27, 2018
- 1 min read
This for you thermophiles out there.
Why are there gaps in the railway tracks? It's to keep it safe for the trains to run on them! But how does that work? Here's an animated video to explain it!
https://www.youtube.com/watch?v=9JuKqkZVgTU
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