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Mitchell began working at the IBM Thomas J. Watson Research Center in 1974, in the Exploratory Printing Technologies Group. [3] [4] There, her inventions included a method for ultrasonic printing, a method for thermal-transfer printing later used in some models of the IBM Selectric typewriter, data compression for fax machines, a teleconferencing system, [3] and the Q-coder method for ...
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View from the Window at Le Gras 1826 or 1827, believed to be the earliest surviving camera photograph. [1] Original (left) and colorized reoriented enhancement (right).. The history of photography began with the discovery of two critical principles: The first is camera obscura image projection; the second is the discovery that some substances are visibly altered by exposure to light. [2]
The following is a list of Featured pictures and their currently associated articles which have potential for inclusion in the Featured picture section of a Portal devoted to women's history Historic images related to women's history
Image credits: undiscoveredh1story Nowadays, we consume tons of visual media. Videos, photos, cinema, and TV can help us learn new things every day. However, they can just as easily misinform us.
The hot comb was an invention developed in France as a way for women with coarse curly hair to achieve a fine straight look traditionally modeled by historical Egyptian women. [44] However, it was Annie Malone who first patented this tool, while her protégé and former worker, Madam C. J. Walker , widened the teeth.
Collecter, Ward Harris, holds a talking doll with a metal torso that was invented by Thomas Edison, in San Francisco, Calif., Feb. 9, 1949. Harris holds in his other hand the inside mechanicals of ...
TCM host Ben Mankiewicz sits down with some of Hollywood’s biggest filmmakers in a new interview podcast to find out what makes them tick — through their favorite films. On “Talking Pictures ...