Magnification can be worked out from a photograph or drawing using the equation below: The same unit of measurement should be used when making the calculation - metre (m), millimetre (mm) or ...

Optical microscopy is a technique employed to closely view a sample through the magnification of a lens with visible light. This is the traditional form of microscopy, which was first invented before ...

Cells are tiny, so we use microscopes to see their details. A slide is a thin piece of glass used to hold objects which are examined under a microscope. Peel a thin layer of cells from an onion. Place ...