Eraser Shavings

Applause IconMay 29, 2019 • 12:48 AM UTC
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This was the source of the eraser shaving samples.
The foldscope picture showed many thick black lines weaving together. The sample was obtained on May 28, 2019, at 11:30 PM, by erasing some pencil marks with an eraser and getting the resulting shavings. The eraser was a Pentel Hi-Polymer Eraser. The picture under the foldscope showed many thick, black lines intertwining and connecting together. #caltechbi1

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