What is this close-up picture? (WotsThat: Blueberry skin (macro))

Question

What object is shown in this zoomed-in close-up photo?

BogIron · Accepted Answer

Blueberry skin (macro). Blueberry skin contains a waxy coating called bloom that's so effective at repelling water that it causes droplets to bead up and roll right off, which is why fresh blueberries feel almost dusty to the touch. This same coating is what gives them that silvery-blue appearance under magnification, and it's actually the berry's natural sunscreen that protects it from UV damage while it's ripening on the bush.

Answer: Blueberry skin (macro)

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