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The colors are added in, of course, with it being an electron microscope image. Another picture:
This is fascinating. I mean we all know the theory, but to actually see the cells under magnification puts you in range, and makes you wonder what else there is to know. And the answer is always MORE.
Education should work more practical application in with the theory. I'm looking at you, calculus!
Seriously. I'm in my 40s and this is the first time I've ever had any sense of scale for red blood cells. Very cool!
But it's hard to perceive the scale of the needle tip itself, so there's no good reference object for the scale. They should have included banana or something for the comparison.
The scale of the micro verse is wilder than you realize
100 points for the video with both of those objects :)
See that little hook at the point? This is from penetrating skin ONCE.
This is why you don't re-use needles folks!
There are other reasons.
