What if every person in the world could carry a microscope around in their pocket? That is the idea behind the foldscope, a 50-cent print-and-fold paper mass produced microscope. Foldscopes can be made to perform brightfield, darkfield, fluorescence, and polarization microscopy, and can reach submicron resolution. With applications ranging from global health to citizen science and K-12 education, Manu Prakash and his team's goal is to get a foldscope in the hands of anyone, anywhere, interested in viewing the microscopic world. An educational and cheap solution that democratizes people’s understanding of physics.