pics@lemmy.world · 16 hours ago

Hypodermic needle with red blood cells under an electron microscope

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Hypodermic needle with red blood cells under an electron microscope

pics@lemmy.world · 16 hours ago

The colors are added in, of course, with it being an electron microscope image. Another picture:

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jawa21@lemmy.sdf.org
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15 hours ago
Yet it emphasizes just how precisely tiny the tip of the needle is.

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