Drei Philosophen und eine kackende Taube (Logikrätsel!)
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1:03:56
Platon in 60 Minuten
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2:47
Mathe-Rästel: 12 Hennen 🐓 in 12 Tagen 12 Eier 🥚 ??
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18:49
The magnitude of magnetic force on a moving charge in the magnetic field class 2nd year lecture 11
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10:19
Das Verlies mit zwei Wärtern (Logikrätsel!)
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19:24
Kombinatorik beim Gruppenfoto
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14:56
Sieb des Eratosthenes
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15:40
Dostojewski: DAS GENIE, das den Sinn des Lebens verstand
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22:28