microscope

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Tiny, scale-like objects
Another microscopic photo. These tiny structures define an entire group of organisms, even giving them their name. What are they from?

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Onion cells
These are onion cells, photographed through my microscope at 40X. Why do onions make your eyes water when you cut them?

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colorful crystals
I took this photo while working on the "Micro-Crystals" video, and thought this might be a challenge. What common chemical is this? Hint: The colors are from polarizing filters. The crystals are normally clear.

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