Why does the Moon orbit the Earth? What's the connection between a funnel and a black hole? What is a metric? All these answers in 11 minutes!

0:00 Introduction
0:45 The metric
3:54 Geodesics
6:29 Spacetime
10:13 Conclusion

This video is narrated by Octave Masson.
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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/Geodesic
https://en.wikipedia.org/wiki/Spacetime
https://en.wikipedia.org/wiki/Metric_...