Line drawn using a ball point pen

Ball of a ball point pen sometimes leaves some gap in the centre because of which single line appears as two lines under the Foldscope. The gap is so small that it is not visible when we write on paper.

How to use Foldscope in the History Classroom

Two History teachers from Maharashtra, India had Foldscope and they wanted to use it in their class. I’m writing this post to explain how history and science education are similar and how tools like Foldscope needed in history and science classrooms. I’m using task used in the following video by Young Historians as an example:…