A Foldscope is an optical microscope that can be assembled from simple components, including a sheet of paper and a lens ,punched sheet of cardstock, a spherical glass lens, a light emitting diode and a diffuser panel, along with a watch battery that powers the LED .                       It is part of "frugal science" movement which aims to make cheap and easy tools available for scientific use in the developing world. Once assembled, the Foldscope is about the size of a bookmark.  Now, even children will be able to observe microscopic world around them and not only in classroom but also at home. The Foldscope with multiple lenses that provide magnification from 140X to 2,000X. This is a very innovative invention which is very cool and futursitic because now Sherlock Holmes will not only see the blood stain in the crime scene but also the DNA of the convict, which sounds very hysterical because Sherlock Holmes wil...