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Experimental Measurement of the Diameter of a Human Hair via Two-Color Light Diffraction
Psychiatry ( IF 2.7 ) Pub Date : 2020-07-28
Cecilia R. Dichtel, June R. Dichtel, William R. Dichtel

The width of a human hair sourced from a female elementary school student was measured by light diffraction using red and blue laser pointers. The two laser sources both provided consistent estimates of the hair diameter of approximately 50 μm. The overall experiment and writing process provided a temporary respite from COVID-19 shelter-in-place requirements and deteriorating spring weather that precluded outdoor activities.



中文翻译:

通过两色光衍射对人发直径进行实验测量

使用红色和蓝色激光笔通过光衍射测量源自女小学生的人发的宽度。两个激光源均提供了大约50μm的头发直径的一致估计。整个实验和编写过程暂时缓解了COVID-19就地避难所的要求,并且春季天气恶化使户外活动无法进行。

更新日期:2020-07-28
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