E.J. Marey, Chronophotographs from "The Human Body in Action," Scientific American, 1914 _ Fotos em sequencia, demonstravam a lacuna entre o que o cerebro pensa que ve e o que os olhos realmente percebem, locomocao animal e usado ate hoje.
Louisa May Alcott writing at desk.In 1860, Alcott began writing for the Atlantic Monthly. When the American Civil War broke out, she served as a nurse in the Union Hospital at Georgetown, D.C. Her letters home brought her first critical recognition for her observations and humor. They were originally written for the Boston anti-slavery paper The Commonwealth.