<iframe src="https://podeduc.apps.education.fr/video/152195-propagation-non-dispersive-2/?is_iframe=true" width="640" height="360" style="padding: 0; margin: 0; border:0" allowfullscreen loading='lazy'></iframe> PodEduc https://podeduc.apps.education.fr/videos/?owner=chlemarchand 360 https://podeduc.apps.education.fr video 640 1.0 Charlène Lemarchand https:/media/cache/d7/e4/d7e431a94f096dc24d2c890cc3896517.png 1280 720