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Foldscope
open-in-new
<p>A Foldscope is an <a href="/facts/Optical_microscope/5700vcna">optical microscope</a> that can be assembled from simple components, including a sheet of paper and a <a href="/facts/Lens/ejlH6n5c">lens</a>. It was created by <a href="/facts/Manu_Prakash/KMbU7hw5">Manu Prakash</a> and designed to cost less than one USD to build. It is a part of the "<a href="/facts/Frugal_innovation/KzxyNcGc">frugal science</a>" movement which aims to make cheap and easy tools available for scientific use in the developing world. </p>