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Jan 21st, 2017: Crack

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   xoxoxoBruce  Friday Jan 20 09:00 PM

Jan 21st, 2017: Crack

Grand Canyon? Nope, too narrow.
Another counties canyon? Nope.
Maybe a crack on Mars? Nope.



It's a teeny tiny micro-crack in a piece of steel viewed through an electron microscope.
Beest can explain, this is his forte.



Gravdigr  Saturday Jan 21 02:41 AM

That was dirty pool putting that blue sky background up there.



Snakeadelic  Saturday Jan 21 08:23 AM

My first thought was SEM image, but I would've guessed some kind of mineral, not metal. Makes me wonder what the false-color separation is based on, since it's my understanding that SEM images come back black and white. For instance:
https://timedotcom.files.wordpress.c...lity=85&w=1100

Meet the Ebola virus in what is probably the first SEM image to identify it. Most renditions of this image are false-colored, with the virus appearing yellowish on a light-purple background.

'Scanning electron microscopy' is a keyword string that can rabbit-hole an entire afternoon!



MtnDsrt  Saturday Jan 21 10:46 AM

I creeped myself out anticipating that the answer was a close-up view of human skin... Sorry - gross!



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