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64,688,788 results
Ralph Caspers geht der Frage nach, wie die Einheiten von Länge, Zeit und Gewicht entstanden sind und warum das für uns ...
127,402 views
1 year ago
Why is a meter a meter? The meter is the world's ultimate measure, but how did it become “the” meter? What is this measurement ...
1,473,995 views
7 years ago