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Syndication

Thu, 15 November 2018
Norteko Ferrokarrilla/2018-10-10/Kilogramo bat
2019an sartuko indarrean kilogramoaren definizio teoriko bat. Horrekin, fisikaren oinarrizko zazpi unitateen definizio teorikoak emanda egongo dira. Orain arte, kilogramoa definitzeko, Parisen gordeta dagoen metal-puska bat erabili da erreferentzia moduan. Baina azkenean lortu da sistema metrikoaren unitate guzti-guztiek definizio teorikoa izatea. 
Direct download: NFXXIII-10a.mp3
Category:science -- posted at: 3:29am EDT