In PopSci's recurring Shrinkage feature, we tip our hats to the scientists whose work is devoted to the noble cause of making our world a little tinier, one gadget at a time. Consider the "memory stamp" pictured above-about the size of your pencil point, it can store the same amount of data that formerly filled three comparatively massive 3.5-inch diskettes (remember those?). For a look at more of the most amazing developments in the quest to make extremely small things, launch the photo gallery here.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.