Turn the coarse focus so that the stage is as close to the objective lens as possible. You should not look through the microscope to do this. Place the microscope slide – either one you have ...

Turn the coarse focus so that the stage is as close to the objective lens as possible. You should not look through the microscope to do this. Line it up so that the specimen - if you can see it ...

In a remote village in eastern India, dozens of underprivileged children are for the first time marveling at the elaborate details of flower petals with the help of a microscope—made out of bamboo.