Update topic.en.md

5 years ago · cad8bd1402
1 changed files with 3 additions and 0 deletions
--- a/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/05.paraxial-optics/topic.en.md
+++ b/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/05.paraxial-optics/topic.en.md
@ -1,4 +1,7 @@
 ---
 title: 'Paraxial geometrical optics (or Gaussian optics) '
+published: true
+routable: true
+visible: false
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