Mesure, dimension, unité
19:25
The Central Angle Theorem
30:08
Comment Archimède a-t-il calculé le volume de la sphère ?
27:29
Le nombre pi, introduction
27:15
The Most Misunderstood Concept in Physics
28:33
Terence Tao on how we measure the cosmos | The Distance Ladder Part 1
27:11
Why can't you see a rainbow looking at the Sun?
21:54
Geothermal Energy is Changing
28:59