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Ideas tagged with optics
The simple observation by Huygens that disproved Newton's rule for the extraordinary refraction of calcite
Huygens (1629–1695), in his <a href="http://www.gutenberg.org/files/14725/14725-h/14725-h.htm"><i>Treatise on Light</i></a> (1690), explained the double refraction of calcite on the correct hypothesis that the secondary waves for the “extraordinary” refraction are <em>spheroida...
Body Image Compensation
I here describe a solution to a problem in the area of optics. Worldwide, there is concern over the effects of the use of smartphones, tablets, computers, and webcams on body image. The use of cameras in these devices reinforces a [thin ideal](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7552652...
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