Why is time "relative"? How do we explain the twin paradox? Why does a clock inside an airplane seem to tick slower? All these answers in 11 minutes!

0:00 - Introduction
1:40 - Analogy of the meadow
4:22 - Relativity
9:10 - Conclusion

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Alessandro Roussel,
For more info: http://www.alessandroroussel.com/en

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To learn more :
https://en.wikipedia.org/wiki/Time_di...
https://en.wikipedia.org/wiki/Hafele%...
https://en.wikipedia.org/wiki/Twin_pa...