cells

I never knew that people used to think that diseases were caused by curses.

But microscopes changed the world.

Anton van leeuewhook the first person to look under a microscope at water.

Later microscopes could magnify up to 1-500 with series of lenses.

Robert hook studied cork the dead cells of oak bark. Electron microscopes was invented in the 1940's. The beam of electrons magnified up to 500.000

times the real size. Two types of electron microscopes

1) Scanning electron microscopes scans the surface of cells tho dimensional shape.

2) Transmission electron microscopes study the structure of cells.