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SEM {scanning electron microscope} of a single red blood cell on the tip of a needle. (Original Post) Ptah Nov 2012 OP
Looks like a red diaphragm. Cool! nt valerief Nov 2012 #1
It's beautiful. Thanks for posting. Scuba Nov 2012 #2
Extremely awesome. (n/t) Lefta Dissenter Nov 2012 #3
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