Source: http://gizmodo.com/how-to-make-a-1000x-microscope-with-your-phone-and-a-gl-1637657712
In the aftermath of our annual ritual for receiving the newest and shiniest iPhones, let's not forget that even our slightly outdated phones are pretty nifty devices. With a cheap glass bead, a 3D-printed clip, and the camera of an old phone, scientists have made a powerful microscope with up to 1000x magnification. And better yet, they've shared the instructions—all two steps of it.