And when you’ve got a scanning electron microscope, everything must look ... to build a custom tool to advance a cutting edge into a piece of stock by tiny increments. His starting point was ...

He had seen Leuwenhoeck manufacture lenses, such as they were, and went on burning his glass threads, and attempted to place his little spheres between two pieces of lead, through which he made an ...

You should not look through the microscope to do this. Place the microscope slide – either one you have prepared, or a permanent slide – on the stage. Line it up so that the specimen – if ...

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 ...