History of the transistor about 15 volts". Brattain and H. R. Moore made a demonstration to several of their colleagues and managers at Bell Labs on the afternoon of 23 December 1947, often given as the birth date of the transistor. The "PNP point-contact germanium transistor" operated as a speech amplifier with a power gain of 18 in that trial. In 1956 John Bardeen, Walter Houser Brattain, and William Bradford Shockley were honored with the Nobel Prize in Physics "for their researches on semiconductors and their discovery of the transistor effect". Twelve people are mentioned as directly involved in the invention of the transistor
Children of Invention Children of Invention Children of Invention is an American independent feature film written and directed by Tze Chun. It premiered at the 2009 Sundance Film Festival, screened at more than 50 film festivals, and won 17 festival awards including 8 Grand Jury or Best Narrative Feature prizes. The film was released theatrically in eight U.S. cities beginning February 2010, on Video-on-Demand in June 2010, and on DVD in August 2010. The first half of the movie centers around Elaine Cheng (played by Cindy Cheung), a single mother and immigrant living in the Boston suburbs, and the life she provides for