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Syndication

Thu, 15 November 2018
Quark/Kilogramoaren definizioa

2019an sartuko da indarrean kilogramo unitatearen definizioa. Orain arte kilogramoa Parisen dagoen objektu baten bitartez definitzen da, metalezko kilogramo fisiko bat, baina objektu erreal batek arazo handiak ematen ditu. Definizio teoriko baten beharra zegoen.

Direct download: Qk07-181115Kilogramoa.mp3
Category:science -- posted at: 3:12am EDT