There are two types of microscopes available: simple and compound microscopes. A simple microscope has one lens, but a compound microscope has both an eyepiece and an objective lens. Different ...

Kids who are a little older might benefit ... this is the equivalent of the minimum magnification on other, similarly priced compound microscopes. Cells need to be greatly enlarged to observe ...

Yet it can do exactly what a microscope does: bring a much closer eye to the tiny intricacies of the world. Over the next two years, the colleagues built 50,000 Foldscopes — they cost less than $1 ...

The 8-year-old is talking about a device that is a fully functional paper microscope ... Foldscopes are offered for free to kids in lower income countries; various upgraded models with extras ...