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Find an interesting review on the history of the changes to a refracting telescope. You will learn what a refracting telescope and its optical scheme were like in different centuries

This review for beginner explorers of the micro world introduces you to the optical, illuminating and mechanical parts of a microscope and their functions

Read an interesting comprehensive article on telescopes for little astronomers

Space. Micriworld. Knowledge book (two-volume edition). Learn more about these colorful and very interesting educational books

Video introduction to a wonderful educational book for kids and teenagers - Space. Non-empty emptiness. Knowledge book

Space.com mentions our bestselling Levenhuk SkyMatic 105 GT MAK in its "Astronomy Gear Guide"