Eight-year-old S. Hariraj is a Foldscope devotee. He's used it to look at the milk from the cows his parents raise. Though the milk looks creamy, the Foldscope reveals a world of microorganisms. "It ...

All folded up and ready to magnify: The Foldscope weighs less than two nickels, is small enough to fit in your back pocket and offers more than 2,000-fold magnification. Origami microscope: Lines on ...

We have pocket watches, pocket cameras and now — with smartphones — pocket computers. Origami microscope: Lines on the paper show you how to fold up and assemble the microscope. Bioengineer Manu ...