---
title: 'What I have to know about light'
media_order: 'light-propagation-tr-615.png,light-sens-propagation-565.png,light-straight-line-519.png'
routable: true
visible: true
---

####La vitesse de la lumière

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![](light-straight-line-519.png)


![](light-sens-propagation-565.png)


![](light-propagation-tr-615.png)
