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SciShow
Why Do Razor Blades Dull so Quickly?
If you shave regularly, you may have noticed your razor blades don’t cut as well after just a few uses. But why do razors get dull so quickly?
Visual Learning Systems
Microscopic Life: Seeing Microscopic Life
Upon viewing the Microscopic Life video series, students will be able to do the following:
Understand that only during the past few hundred years have people been able to see and study very small life forms, generally referred to as...
Curated OER
A Tour of the Cell
The differences between prokaryotic and eukaryotic cells are explained and the parts of each are highlighted. Discover the major organelles found in an animal cell and each of their functions. Paul Andersen does an excellent job once...
University of Virginia
Uva Virtual Lab: Scanning Electron Microscope (Sem)
Find out what an SEM does and how it does it with this online lab.
Museum of Science
Museum of Science: How the Sem Works
This resource gives a quicktime movie or slide show shows how the Scanning Electron Microscope is used in the world today.