Qu� �s la llum? - 13/09/20
La Terra és plana · Corporaci� Catalana de Mitjans Audiovisuals, SA
September 13, 202018m 9s
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Show Notes
Avui amb Joan Anton Catal� parlem d'un fenomen que a priori ens sembla senzill d'entendre, per� que encara ens amaga molts misteris: la llum.