Time Line

  1. In 1914, bacteria was used to treat sewage in England.
  2. In 1928, Fleming discovered penicillin.
  3. In 1953, the 3D structure of DNA was revealed. The genetic code was first understood in 1964.
  4. In 1984, DNA fingerprinting was developed.
  5. In 1999, the complete genetic code of human chromosomes was decoded in 1999.


  1. In 1440, Johannes Gutenberg invented the first printing press
  2. In 1769, Nicolas-Joseph Cugnot invented the first self propelled road vehicle.
  3. In 1822, Charles Babbage invented the first Difference Engine, being considered as the first computer.
  4. In 1870, Alexander Graham Bell invented the telephone, a major leap from the telegraph.
  5. In 1895, Tesla invented the first radio. Though in 1904 the patent was passed to Marconi.

  1. In 1939, the first binary digital computers are developed.
  2. In 1951, the first computer is designed for the U.S. business
  3. In 1981, IBM introduces the IBM Personal Computer with an Intel 8088 microprocessor and an operating system.
  4. In 1985, Microsoft releases Windows 1.0 operating system software that features a Macintosh-like graphical user interface (GUI) with drop-down menus, windows, and mouse support.
  5. In 1991, the World Wide Web becomes available to the general public.

Chemical Engineer
  1. In 1943, DDT, a powerful pesticide, first produced in the US.
  2. In 1951, the first Fusion Bomb is tested.
  3. In 1960, Theodore Maiman builds the first LASER based upon the proposal of Arthur Schawlow
  4. In 1986, the Chernobyl Nuclear Reactor #4 explode, releasing large amounts of radiation.
  5. In 1989, an Exxon  Oil Tanker, the Valdez, runs aground in of the coast of Alaska. 
  1. In 1475, Leonardo da Vinci draws examples of possible human flight.
  2. In 1783, Joseph and Jacques Montgolfier invented the first hot air balloon.
  3. In 1900, Count Ferdinand invents and flies Zeppelin.
  4. In 1937, The Zeppelin, Hindenburg, burns and crashes.
  5. In 1957, The Soviet Union launches Sputnik 1 during the space race.