diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/02.corpuscules-waves/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/02.corpuscules-waves/topic.en.md
index b9bce157b..f403cc71c 100644
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/02.corpuscules-waves/topic.en.md
+++ b/01.curriculum/01.physics-chemistry-biology/02.Niv2/02.corpuscules-waves/topic.en.md
@@ -1,4 +1,6 @@
 ---
 title: 'In time and space, I locate, I distinguish shapes and I measure'
+published: false
+visible: false
 ---