Nearly 100 years ago, a seemingly simple discovery revolutionized the microscope. The introduction of phase contrast, which ...

Fifteen years ago, physicists worked out a method to increase image contrast by hitting the electron imaging beam with an ultrabright laser. Back then, a laser so bright didn’t exist. Now it does, and ...

Ever wondered what everyday things under a microscope look like? You’ll never look at a toothbrush—or a grain of salt—the ...

The study of wood -- Materials and methods -- The cell wall -- Pits -- Distribution and patterns of wall pitting -- Other wall sculpturing -- Perforation plates -- The structure of rays -- Axial ...

The interactions in photovoltaic materials that convert light into electricity happens in femtoseconds. How fast is that? One femtosecond is a quadrillionth of a second­­. To put that in perspective, ...