In this YouTube video, the family Bacteria takes listeners on a journey to learn about microscopes. First, the character Protozoa speaks about the lead up to the invention of the first microscope in 1590. Second, the character virus speaks about the different parts of a microscope. For example, he speaks about how there are clips which lock the specimen you are observing in place. Last, Fungi tells listeners how microscopes work. He highlights the importance of refraction.