1.  Last centuries have been characterized by the main technology in those times:  XVIII Century: The mechanical systems (Industrial Revolution).  XIX Century: The steam machine.  XX Century: Information Technology  XX1 Century: Knowledge distribution??

2. Is it fair to call the twenty Century the Information Era?  What about the Aeronautics & Aerospace Era?Aeronautics & Aerospace Era  What about the Automobile Era?Automobile Era  What about the Medicine Era?Medicine Era  What about the Telecommunications Era?Telecommunications Era

3. (1871-1948). Their "Wright Flyer" was a fabric-covered biplane with a wooden frame. The power to the two propellers was supplied by a 12-horsepower water-cooled engine. On December 17, 1903, the The first working airplane was invented, designed, made, and flown by the Wright brothers, Wilbur Wright (1867-1912) and Orville Wright " Flyer" flew for 12 seconds and for a distance of 120 feet (37 m). The flight took place at Kitty Hawk, North Carolina, USA.

4. 1903 - The Wright brothers’ first flight. 1906 - September 13, Brazilian aviator Alberto Santos- Dumont makes the first officially recorded aeroplane flight in Europe for 8 seconds 1908 - Madame Therese Peltier was the first woman to fly solo in an airplane Orville WrightWilbur Wright

5. U.S. Navy F/A-18 breaking the sound barrier. The white halo is formed by condensed water droplets which are thought to result from a drop in air pressure around the aircraft. Braking the Sound Barrier. The XP-86 plane officially achieved supersonic speed on 26 April 1948. [ [ Jackie Cochran was the first woman to break the sound barrier on May 18, 1953, in a Canadair Sabre, with Yeager as her wingman.

6. Landing at the moon. July 16, 1969, the Apollo 11 mission was send to reach the Moon. Armstrong, Collins & Aldrin On July 20, Armstrong and Aldrin became the first humans to land on the Moon, while Collins orbited above.

7.  Alexander Graham Bell (1876) from Scotland invented the Telephone. The first fully intelligible telephone call occurred on March 6, 1876, when Bell, in one room, called to his assistant in another room. "Come here, Watson, I want you."

8.  Guglielmo Marconi (Italy) invented the radio in 1895. After a proving communication with a boat, newspapers appear the following day with the front- page title: MARCONI “THE MAGICIAN WHO MADE THE WIND SPEAK”

9.  Philo T. Farnsworth (USA) inventor of Television in 1927

10. Guillermo González Camarena (México) invented the colour television in 1939..