Tuesday October 22, 2013
The broken edge of a piece of semiconductor laser material, viewed at 2,402x under an electron microscope. At this magnification, it’s clear that the edge isn’t cleanly broken at all, but has all sorts of furrows and ripples, all invisible to the naked eye, making it look like a massive cliff. In reality, this cliff is microscopic - this entire view covers less than the width of a single human hair.
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