Secret Book Switch!

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By: Jaxson Gomez

This is an amazingly clever and an age old trick. The secret switch in the bookshelf, known to be incredibly hard to notice, yet very easy to use. This article comes from an instructables post, in which it tells you what to do. I’ve linked the article below:

http://www.instructables.com/id/Secret-Book-Switch/

This relates to engineering because you need to build the project and plan it. This relates to the world because the switch in the bookshelf is an age old tri