The image shows a large black mass with some small black particulates surrounding it. The black mass as many sharp protrusions on it and is generally rectangular with a small notch absent from the top. The sample was prepared by shaking pepper from a pepper shaker onto the slide. The pepper shaker was taken at 2:03 pm on 5&#x2F;28&#x2F;19 from the Page house dining hall at the California Institute of Technology. #caltechbi1 <img class="ql-image" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_151989/IMG_1472.jpg"/> <img class="ql-image" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_151989/IMG_1474.jpg"/>

Grain of Pepper

Pencil Shaving

Kleenex Tissue

Towel Strands

Reach Floss

Grains of Salt

Leaf of Lettuce

Crushed Red Fruit Loop

Sriracha droplet

Human hair in water

Hibiscus Pollen under foldscope

Bi 1 Turtle Pond microscopic moving organism

Grain of Pepper

Colin Chun

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