SEM stands for scanning electron microscope. The SEM is a microscope that uses electrons instead of light to form an image. Since their development in the early 1950's, scanning electron microscopes ...

A team of researchers has developed the first transmission electron microscope which operates at the temporal resolution of a single attosecond, allowing for the first still-image of an electron in ...

As a mouse explores its environment, millions of neurons across the brain fire in sync. To study only a small subsection at a time would be to miss the forest for the trees, but powerful microscopes ...