A British nanotech invention has revolutionized the humble optical microscope by quadrupling its magnification power to a level far beyond what could previously be achieved with visible light. The new ...

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 ...

Late 1600s – Dutch scientist Antonie van Leeuwenhoek constructed a microscope with a single spherical lens. It magnified up to ×275. 1800s - the optical quality of lenses increased and the microscopes ...