THE author of this book is a skilled pathologist, and, therefore, necessarily a practical master of the manipulation of a microscope, at least in the case of transparent objects. He has probably ...

Big and small: RUSH image of the brain of a live mouse. The coloured lines show the motions of labelled immune cells. The image is about 1 cm across. (Courtesy: Jingtao Fan et al/Nature Photonics) A ...

(Nanowerk News) State-of-the-art atomic force microscopes (AFMs) are designed to capture images of structures as small as a fraction of a nanometer — a million times smaller than the width of a human ...

For millennia, the smallest thing humans could see was about as wide as a human hair. When the microscope was invented around 1590, suddenly we saw a new world of living things in our water, in our ...