How does a lens work? A thorough video lesson addresses this question by looking at the lenses of human eyes, telescopes, and microscopes. Light waves play an important role function of each of these objects. This is the 41st lesson in...

While Robert Hooke discovered the cell in 1665, the first cell theory didn't come about until the 1830s. The video explains the discovery of the cell and the scientists involved. It continues to the parts of cell theory and the...

What's stomata with you? Video shows a step-by-step lab that allows pupils to view the stomata from both monocot and dicot plants. It also briefly touches on guard cells. Video is the first in a series of seven.

Where is bacteria found? See where bacteria and other microbes help and hurt humans. Microscopic images are shown along with images of people and places. Begin looking into this tiny universe with part one of a four-part series....

The following video provides an overview of the parts and use of a micropipettor. [11:18]

This page describes the operation of Nanosurf Inc's "easyScan" atomic force microscope (AFM). Virtual reality is used to take apart the microscope and show how a laser controlled feedback loop allows the probe to measure the shape of a...

Find a description of the operation of Nanosurf Inc's "easyScan" scanning tunneling microscope (STM). Virtual reality is used to take apart the microscope and show how electron tunneling is used to measure the shape of sample surfaces...

A music video with text, featuring historical figures and some of their ideas and inventions. [2:57]

A narrated tutorial illustrating the use of a light microscope. [5:48]

An explanation of the functions of light and electron microscopes with images from each type.

We'll talk with one of the inventors of a new on-chip, lens-free microscope.

This resource gives a quicktime movie or slide show shows how the Scanning Electron Microscope is used in the world today.

Lightweight, mobile microscopes are not only being used in third world countries to diagnose disease, but also in classrooms to get kids excited about science.

Researchers at UC Berkeley have developed a microscope that fits on your cell phone. [1:07]