Most conventional light microscopes have a resolution of 200 nanometers – this means that imaged objects which are any closer together won't be seen as separate items. A new high-tech microscope slide ...

Fundamentally, a microscope comprises two subsystems: an illumination system to illuminate the sample and an imaging system that produces a magnified image of the light that has interacted with the ...

In the mid- to late-19th century, science gripped the public imagination. Literacy rates were rising, feeding demand for books. Theories, put forward in books like Charles Darwin's Origin of Species, ...