A $1 microscope made of paper might help diagnose diseases in the developing world -- provided there are also people trained to use it. The folded-paper microscope, called the Foldscope, could also open the microscopic world to curious young minds. The Foldscope takes less than 10 minutes to put together from folded pieces of pre-cut paperboard. It’s a simple design, but powerful: its … [Read more...]