Marine Astronomical Navigation - Video 26: Simultaneous Observation of two Stars
12:39
Marine Astronomical Navigation - Video 25: Identification of Isolated Star
14:26
Marine Astronomical Navigation - Video 29: Stars suitable for Observation
13:29
Marine Astronomical Navigation - Video 24: Circumpolar Bodies
19:26
Comment fonctionnait la machine Enigma ?
16:21
Things get weird at infinity
1:55:27
Worst Fails of the Year | Try Not to Laugh 💩
11:18
Paradoxe du train relativiste d'Einstein dans un tunnel : relativité restreinte
9:58