In 1665, English scientist Robert Hooke published Micrographia, a book full of drawings depicting views through what was then a novel invention: the microscope. Peering at a slice of cork through a ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Rotate the objective lenses so that the low-power, eg x10, is in line with the stage. Image caption, Turn the coarse focus so that the stage is as close to the objective lens as possible. You should ...