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_...