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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. [45]
The concept of automated data processing had been born. In 1890, Herman Hollerith invented the mechanical tabulating machine, a design used during the 1890 Census which stored and processed demographic and statistical information on punched cards. [14] [15] 1890 Shredded wheat. Shredded wheat is a type of breakfast cereal made from whole wheat.
Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War; Timeline of United States inventions (after 1991), after the dissolution of the Soviet Union
Mar. 2—It may seem like a recent trend for more women to be entering STEM fields, but women have a long history of contributing to innovations in science, technology, engineering and mathematics.
In the nineteenth century, woman made up just 1% of all inventors who received United States patents. Unfortunately, little is known about most of these women, but Tracy is an exception. Tracy received much notoriety and fame for her innovations. So much so that many of her inventions received extensive public acclaim in Chicago newspapers.
1890 in science. 10 languages ... The year 1890 in science and technology involved some significant events, ... Jacques Loeb publishes his first major work on tropism
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
Image credits: pnewell #9 An Experimental Tracked Air Cushion Vehicle. In the mid-1960s to the late years of the 1970s, French engineers were looking to create new transportation machines that ...