Science and Technology of the 1930s By codyfl Jan 1, 1930 Chocolate Chip Cookie The Chocolate Chip Cookie was invented accidentally by Ruth Graves Wakefield. She owned the Toll House inn, in Whitman, Massachusetts. Feb 24, 1930 Differential Anlayzer Vannevar Bush at MIT in Boston is the inventor of the Differential Analyzer. This is a computer designed to solve equations by integration, using wheel-an-disc mechanisms. Oct 10, 1930 Polygraph Machine This machine ran on batteries, and had a gauge with a needle instead of writitng on paper. Oct 28, 1930 First Color Sound Cartoon Ub Iwerks produced the first Color Sound Cartoon in 1930, a Flip the Frog cartoon named: "Fiddlesticks" Mar 31, 1931 Electron Microscope Max Knott and Ernst Ruska co-invented this. It uses an electron beam to alluminate whatever it's looking at and produce a magnified image. Aug 29, 1932 Desk Phone To use the desk phone you had to push different buttons depending on the time of day. May 26, 1933 FM Broadcasting FM Broadcasting was invented by Edwin H. Armstrong. It gives listeners a wider range or stations to choose from. Dec 16, 1936 Turnstile Antenna This was invented by George Brown. It was used for TVs and radios. Jun 25, 1937 Jet Engine The Jet Engine was co-invented by Hans von Ohain and Sir Frank Whittle. Aug 24, 1938 Photocopier The Photocopier was invented by Chester Carlson. Carlson invented this because of his lack of work. Oct 28, 1938 Volkswagen Beetle is produced The Volkswagen Beetle is one of the best selling automobiles ever produced. In the late 1930s it was created by Ferdinand Porsche and his chief designer Erwin Komenda. Oct 28, 1939 Nuclear Fission discovered Otto Hahn, Lise Meitner and Fritz Strassman make the discovery in 1939.This is the process in which the nucleus of a particle breaks down into smaller parts. This creates a vast amount of energy.