https://svend-walter.eu/tags/optique/OptiqueHugoBlox Kit (https://hugoblox.com)fr-frFri, 20 Feb 2026 19:00:00 +0000https://svend-walter.eu/media/icon.svghttps://svend-walter.eu/tags/optique/https://svend-walter.eu/blog/chapitre3lalumiereatelleunevitesse/Fri, 20 Feb 2026 19:00:00 +0000https://svend-walter.eu/blog/chapitre3lalumiereatelleunevitesse/<h1 style="text-align: center;"><strong>Chapitre 3 : La lumière a-t-elle une vitesse ?</strong></h1> <div class="poupou"><iframe src="https://docs.google.com/presentation/d/1TPKf8DGHL-VicnsMp-Eb6bQ8w6FX-1XEJUqP0cMp4wI/embed?start=false&loop=false&delayms=3000" frameborder="0" width="960" height="749" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe> </div>