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Why two identical pictures of a human hair under a microscope look different?
![](http://bashny.net/uploads/images/00/00/44/2013/11/09/af60d425f8.jpg)
Here is a picture of two identical human hairs under a microscope. Try to guess why they look different? Tip: hairs from his beard. It hairs after shaving. Left - razor blades, right - electric.
Source: mirfactov.com/