20th Century Breakthroughs in Science and Technology By jeffraybon Jun 1, 1903 Wright Brothers Fly First Motorized Plane Wright Brothers Website Oct 28, 1913 Atomic Structure is Described Rutherford & Bohr Feb 10, 1926 Television is Developed The History of Television Aug 5, 1942 Penicillin is Discovered The First Miracle Drug Aug 6, 1945 First Atomic Bombs Dropped on Japan A Science Odyssey: The First Atomic Bomb Dropped May 19, 1952 Polio Vaccine is Produced Development of Polio Vaccine Nov 12, 1953 Watson & Crick Describe Structure of DNA The Discovery of the Double Helix Jul 20, 1969 Neil Armstrong of US Becomes First Man to Walk on Moon 5 Facts About the Moon Landing Sep 3, 1975 Personal Computer Industry Launched Personal Computer Apr 23, 1992 World Wide Web Established World Wide Web History
