What is this close-up picture? (WotsThat: Dragonfly wing (macro))

Question

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

IgneousRex · Accepted Answer

Dragonfly wing (macro). Dragonfly Wings: Nature's Nano-Engineers Dragonfly wings are covered in microscopic bumps and ridges that create an invisible armor—these nanostructures actually kill bacteria and fungi on contact without any toxins, making them self-cleaning and naturally antimicrobial. Scientists are now copying this design to create hospital surfaces and medical devices that could fight infections without antibiotics.

Answer: Dragonfly wing (macro)

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