<iframe src="https://podeduc.apps.education.fr/video/60390-os1b-3-diffraction-exemples/?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=dausse bruno 360 https://podeduc.apps.education.fr video 640 1.0 Bruno Dausse https:/media/cache/c1/27/c127f84a6aadd8e93304ae3de3e66cf5.png 1232 930