What is this close-up picture? (WotsThat: White sugar crystals)

Question

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

ResinTrace · Accepted Answer

White sugar crystals. White sugar crystals are actually colorless, and the reason table sugar looks white is because of the way light bounces around between millions of tiny crystals, similar to how snow appears white even though ice is clear. If you could somehow compress a single sugar crystal down and look through it, you'd see it's completely transparent.

Answer: White sugar crystals

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