<iframe src="https://podeduc.apps.education.fr/video/23962-attenuation_geometrique_ultrasonsmp4/?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=LwzrZaCYw69y8flnzJBstrM0CQo 360 https://podeduc.apps.education.fr video 640 1.0 Fabrice Fayard https:/media/cache/71/17/711730f61346d40c9137e9ad6ff9e46d.png 640 360