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Corrective lens. A pair of contact lenses, positioned with the concave side facing upward. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia.
Correction tape. Correction tape is an alternative to correction fluid used to correct mistakes during typing, or, in some forms, handwriting. One side of the tape, which is placed against the area to cover, is coated in a white, opaque masking material. Pressure applied to the other side of the tape transfers this material to the paper.
7 May 2019. " Anxiety Is the Dizziness of Freedom " is a science fiction novella by American writer Ted Chiang, initially published in 2019 collection Exhalation: Stories. [1] [2] The novella's name quotes a proverb by Danish philosopher Søren Kierkegaard in his work The Concept of Anxiety. [3] An abridged version of the novella was also ...
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Hieronymus subsequently designed solid-state versions of his Analyzers, substituting germanium transistors for crystal prisms and tunable capacitors for the rotating armature. He also designed and built various specialized devices designed for specific functions, including analysis of living organisms and production of homeopathic remedies. [8] The most well-known Hieronymus Machine is the ...
Correction pen. A correction fluid is an opaque, usually white fluid applied to paper to mask errors in text. Once dried, it can be handwritten or typed upon. It is typically packaged in small bottles, with lids attached to brushes (or triangular pieces of foam) that dip into the fluid. The brush applies the fluid to the paper.