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Mount Hood reflected in the waters of Mirror Lake
Mount Hood reflected in the waters of Mirror Lake
A symmetrical urn and its mirror image
A symmetrical urn and its mirror image
An example of how mirror flips text front to back rather than left to right. This cardboard word is reflected properly without being flipped.
An example of how mirror flips text front to back rather than left to right. This cardboard word is reflected properly without being flipped.
The word "FIRE" and its mirror image are displayed on the front of this fire engine
The word "FIRE" and its mirror image are displayed on the front of this fire engine
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A researcher working on an optical system
A researcher working on an optical system
The Nimrud lens
The Nimrud lens
Reproduction of a page of Ibn Sahl's manuscript showing his knowledge of the law of refraction
Reproduction of a page of Ibn Sahl's manuscript showing his knowledge of the law of refraction
The first treatise about optics by Johannes Kepler, Ad Vitellionem paralipomena quibus astronomiae pars optica traditur (1604), generally recognized a
The first treatise about optics by Johannes Kepler, Ad Vitellionem paralipomena quibus astronomiae pars optica traditur (1604), generally recognized as the foundation of modern optics.