Celluloid photographic film was patented by Hannibal Goodwin on 13th September 1898. Goodwin, an Episcopal priest, had invented a method for making transparent, flexible roll film from nitrocellulose. The celluloid film was used in Thomas Edisons’ Kinetoscope, an early machine for viewing animation.
Logitech was the first company to sell the modern computer mouse. The device with an optical encoder, two buttons and a single ball was created by Jean-Daniel Nicoud and André; Guignard of the Ecole Polytechnique Federale de Lausanne in Switzerland. Their mouse was a major improvement over the one created by Douglas Engelbart, the original creator of the mouse. Logitech's computer mouse was originally manufactured by Dubois Depraz SA, another Swiss company. From 1985 to 2008, the company sold a billion of these devices! [more...]