Cell size and scale

Just a neat link my hubby found this morning...

http://learn.genetics.utah.edu/content/begin/cells/scale/

You can zoom in to see these various things starting from a coffee bean and down to a skin cell, human egg, red blood cell, bacteria, viruses, hemoglobin, glucose and molecules, etc., all the way "down" to a carbon atom.

In measuring scale, you go from millimeters (0.001 or 10-3m) to micrometers (0.000001 or 10-6m) to nanometers (0.000000001 or 10-9m) to picometers (0.000000000001 or 10-12m).
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