a soundtrack Don Juan in 1926, followed by the first Part-Talkie The Jazz Singer in 1927, the first All-Talking movie Lights of New York in 1928 and the first All-Color All-Talking movie On with the Show, 1929. Silent films start giving way to sound films. By 1936, the transition phase arguably ends, with Modern Times being the last notable silent film. Karl Ferdinand Braun invents the modern electronic cathode ray tube in 1897. The CRT became a commercial product in 1922. Record companies (such as Victor, Brunswick and Columbia) introduce an electrical recording process on their phonograph records in 1925 (that had been developed by Western Electric), resulting in a more lifelike sound. The first electric razor is patented in 1928 by the American manufacturer Col. Jacob Schick. The first selective Jukeboxes being introduced in 1927 by the Automated Musical Instrument Company. Harold Stephen Black revolutionizes the field of applied electronics by inventing the negative feedback amplifier in 1927. Clarence Birdseye invents a process for frozen food in 1925. Robert Goddard makes the first flight of a liquid-fueled rocket in 1926. Science Charles Lindbergh becomes the first person to fly solo across the Atlantic Ocean (May 20–21, 1927), nonstop from New York to Paris. Howard Carter opens the innermost shrine of King Tutankhamun's tomb near Luxor, Egypt, 1922 In 1928, Alexander Fleming discovers penicillin Popular culture Film Oscar winners: Wings (1927–1928), The Broadway Melody (1928–1929), All Quiet on the Western Front (1929–1930) First feature-length motion picture with a soundtrack (Don Juan) is released in 1926. First part-talkie (The Jazz Singer) released in 1927, first all-talking feature (Lights of New York) released in 1928 and first all-color all-talking feature (On with the Show) released in 1929. The first animated short film by Walt Disney is released in 1928, featuring Mickey Mouse. Steamboat Willie was the first sound cartoon to attract widespread notice and popularity. Fashion The 1920s is the decade in which fashion entered the modern era. It was the decade in which women first abandoned the more restricting fashions of past years and began to wear more comfortable clothes (such as short skirts or trousers). Men also abandoned highly formal daily attire and even began to wear athletic clothing for the first time. The suits men wear today are still based, for the most part, on those worn in the late 1920s. The 1920s are characterized by two distinct periods