AW: Kugelstoßpendel reloded
Wie sieht der Stoß zweier gepufferter Waggons aus?
Beide Waggons sind gleich schwer.
https://de.m.wikipedia.org/wiki/Puffer_(Bahn)
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It seems that perfection is attained not when there is nothing more to add, but when there is nothing more to remove — Antoine de Saint Exupéry
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