Bio-medical
- In 1914, bacteria was used to treat sewage in England.
- In 1928, Fleming discovered penicillin.
- In 1953, the 3D structure of DNA was revealed. The genetic code was first understood in 1964.
- In 1984, DNA fingerprinting was developed.
- In 1999, the complete genetic code of human chromosomes was decoded in 1999.
Mechanical
- In 1440, Johannes Gutenberg invented the first printing press
- In 1769, Nicolas-Joseph Cugnot invented the first self propelled road vehicle.
- In 1822, Charles Babbage invented the first Difference Engine, being considered as the first computer.
- In 1870, Alexander Graham Bell invented the telephone, a major leap from the telegraph.
- In 1895, Tesla invented the first radio. Though in 1904 the patent was passed to Marconi.
Computer-Science
- In 1939, the first binary digital computers are developed.
- In 1951, the first computer is designed for the U.S. business
- In 1981, IBM introduces the IBM Personal Computer with an Intel 8088 microprocessor and an operating system.
- 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.
- In 1991, the World Wide Web becomes available to the general public.
Chemical Engineer
- In 1943, DDT, a powerful pesticide, first produced in the US.
- In 1951, the first Fusion Bomb is tested.
- In 1960, Theodore Maiman builds the first LASER based upon the proposal of Arthur Schawlow
- In 1986, the Chernobyl Nuclear Reactor #4 explode, releasing large amounts of radiation.
- In 1989, an Exxon Oil Tanker, the Valdez, runs aground in of the coast of Alaska.
Aerospace
- In 1475, Leonardo da Vinci draws examples of possible human flight.
- In 1783, Joseph and Jacques Montgolfier invented the first hot air balloon.
- In 1900, Count Ferdinand invents and flies Zeppelin.
- In 1937, The Zeppelin, Hindenburg, burns and crashes.
- In 1957, The Soviet Union launches Sputnik 1 during the space race.