-
the compass
- Forced to rely on natural landmarks such as mountains or islands, as well as maps rough , early sailors felt almost always lost. Desperate to find something more reliable sailors from China and Europe independently discovered a magnetic mineral that aligned with the north pole . For the year 1190, Italian navigators were using it to magnetize needles floating in bowls of water. The Invention put humanity in the process of mapping the globe.
-
the toilet
- Before his invention seats were placed on top of a bucket or wells that had to then clean . In the late sixteenth century Sir John Harrington , godson of Queen Elizabeth I , designed the toilet, which settled in the royal house of Kelston , near Bath, equipped with a water depóstio . It was the precursor of the invention that exist today bathrooms .
-
compact disc
The compact disc ( CD ) was released a 17 August 1982 by the Dutch company Philips and operated by a non-contact laser Lee physico information contained in a record of 12.7 centimeters in diameter. The CD revolutionized the way of listening to music and meant to other formats ( cassette , vinyl record ) . The first CDs were recorded the album The Visitors of Swedish group Abba and the Alpine Symphony by Richard Strauss under the direction of Herbert von Karajan. -
gps
Global Positioning System ( Global Positioning System ) is a technology developed in the seventies for military purposes by the US Army. Ivan Getting , a physicist and electrical engineer was the inventor of this device which indicates the exact latitude and longitude thanks to its connection with satellites. Today the GPS are in cars, trucks, planes , boats or used by geologists in exploration work -
airbag
Inflatable flexible bag and cushions the impact of car occupants in a crash . The airbag was patented in 1971 by the German company Mercedes Benz .
The first serial airbag was installed in a Mercedes S Class 1981. Gradually use has spread and, for example in Spain in 2007, one hundred percent of the new cars were equipped with airbags. -
eadphones
- The story goes like this : On a flight to Europe , Amar Bose , the billionaire founder of the Bose audio equipment firm , was so disappointed the operation of a pair of common hearing and decided to make some streams that could generate waves neutralize environmental sounds , and got it.
-
the lock
2000 B.C. The Egyptians were the first to put things low key about 4,000 years ago ( hard knots were an option for a long time ) . The wooden counterpart included a key lifting cylinders , allowing a latch would be free and could slip . The design was similar in principle to the modern lock invented in 1848 by Linus Yale , whose name still adorns billions of keys. -
the plane
Undoubtedly one of the most important inventions of the twentieth century is the airplane. When the Wright brothers took flight for the first time in 1903, few could imagine that they were drastically reducing distances in the world -
the computers
It was in the decade of the 40s when the first electronic computers capable of the most basic tasks arose . From there the programmable electronic devices that have been so important to the twentieth century could be called the computer age -
the phonet
Thanks to Scottish scientist Alexander Graham Bell , the existence of conventional phones was possible and today we enjoy its benefits every day. In 1876 he managed to maintain sound first distance communication between two people, a true act of magic to the reality of the nineteenth century. -
television
- A semi-mechanical analogue television system was first exhibited in London in February 1924, John Logie Baird, with a picture of " Felix the Cat " , but soon abandoned. It was not until the autumn of 1927 when a completely electronic system designed by Philo Taylor Farnsworth, young Idaho , United States was for the first time . However , the patent was approved until 1938 , Vladimir Zworykin claimed as his own, although the Court noted the former as the inventor.
-
DIGITAL CAMERA
Steven J. Sasson , an engineer at Kodak company , created in 1975 the first digital camera. It was the size of a toaster , 0.01 megapixel and required 23 seconds to save a photograph . Very different from today's cameras can fit in a pocket and easy to use. -
cells or bateries
- We must thank the frog batteries. In 1780 , the Italian physicist Luigi Galvani discovered that the leg of a dead frog contracted when touched with two pieces of metal. Galvani had created a simple circuit and the phenomenon was used by his friend , the aristocratic Professor Alessandro Volta , whose voltaic cells impressed Napoleon and this ensured the success of the invention. The cell stack was also the first battery , whose successors have survived to this day
-
EADPHONES
- The story goes like this : On a flight to Europe , Amar Bose , the billionaire founder of the
-
dvd
The compact disc ( CD ) was released a 17 August 1982 by the Dutch company Philips and operated by a non-contact laser Lee physico information contained in a record of 12.7 centimeters in diameter. The CD revolutionized the way of listening to music and meant to other formats ( cassette , vinyl record ) . The first CDs were recorded the album The Visitors of Swedish group Abba and the Alpine Symphony by Richard Strauss under the direction of Herbert von Karajan. -
internet
Hard to imagine what the world without the Internet. There would be no email , no Google or YouTube videos or announcements by Facebook , much less Internet Day ( May 17 ) . There would be no chat rooms or blogs, or a student might consult books without leaving home . What was a science project in 1972 in the United States, it is now used by more than one billion people . -
MICROWAVE
Although it was created in 1946 by Percy Spencer , an engineer in the United States, the microwave oven became popular in the late seventies . In 1986 , the microwave was present in 60 percent of households gringos . Microwave ovens changed in the routine way to cook and heat food , and although some groups have pointed naturists alleged dangers to health from use , convenience and saving time microwave energy have made him one of the favorite appliances. -
WI FI
Short for Wireless Fidelity (wireless fidelity) . The Wi - Fi is a technology that allows computers without using wires or plugs. In tel world is discussing the issue of access Wi - Fi and the goal is to reach cities completely " disconnected " . -
google
It is the search engine most used Internet (800 million queries a day). The Google company was founded in 1999 by Sergey Brin and Larry Page , students from Stanford University . Google publicly traded and its value is estimated at 66 billion dollars. In October 2006 , Google acquired 1,650 million by the famous video site YouTube. -
fax
Before the mass fax since 1980 , if someone had wanted to send a quote to another city , he would have had to mail it and you would have delayed three days. Today in seconds an exact copy ( facsimile , hence the word fax) of the sent document is received : a bill, a bill or a waiver as former Peruvian President Alberto Fujimori, who resigned via fax from Tokyo, November 19, 2000 .
