Everyday Health independently vets all recommended products. If you purchase a featured product, we may be compensated. Learn why you can trust us. Fun fact: According to the American Society of ...
The word 'ceramics' is derived from the Greek keramos, meaning pottery and porcelain. The opaque and translucent cement and clay often used in tableware are not appropriate for optical applications ...
Making a perfect lens that produces flawless images has been a dream of lens makers for centuries. In 1873, Ernst Abbe discovered a fundamental 'diffraction limit' in optics: whenever an object is ...
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