REVISTAPROYECTOINTEGRADO2ºTRIMESTREJOSEGALANJESUSBELLIDO

1-Cars in the past.2-Comunication. 3-First computers.4-Old technology.5-Means of transport.

The history of carsbegan in 1769, with the creation of steam engine cars capable of human transport .The first cars powered by an internal combustion engine running of fuel gas appeared.

Cars powered by electric power appeared at the turn of the 20th century, but disappeared from use until the turn of the 21st century.The need to reduce air pollution has rised new interest in electric and hybrid vehicles now.

German engineer Karl Benz isregarded a the inventor of the modern cars andReceived a German patent in 1886.

The four- stroke petrol internal combustion engine constitutes the most prevalent form of modern automotive propulsion is a creation of German inventor, Nikolaus Otto.

At first cars were too expensive and only a few persons could buy one of them.But thanks to Henry Ford, cars turned cheaper than before.

Old cars had an important problem.They were too unefficient and they caused lots of pollution in the citys where they move.

The battery electric car owes its beginnings to Hungarian Ányos Jedlik, one of the inventors of the electric motor, and Gastón Planté, who invented the lead-acid battery in 1859.

Means of Means of transporttransport

This was one of the most important means of transport that the man is invented.The railroad it develop very much in the 19th century.In the industrial revolution.The first ferrocaril was of steam

The marine transport

The first ship was made towards 10.000 A. CThis means of transport has been used for all type of thing for example The piracy.

This is one of the means of transport that are more sure.But in the past is was very diferent and if you travel in a boat you had a lof of posibilities of dead

The plane

The first design of aircraft is performed by Leonardo Da Vinci.The First aircraft was created by Clement Ader, on October 9, 1890.It got to fly 50 metres.

Now the aircraff is the means of transport more used in the world in long distances.

A gear is a rotating machine part having cut teeth which mess wuith another toothed part in order to transmit torque.Two or more gears working in tandem are called a transmission. The earliest

reference to gears was by Hero of Alexandria, who was an ancient greek engineer and mathematicien, but gears can be traced back to the greek mechanics of the Alexandrian School in the third century B.C. And were developed by Archimedes.

Catapult is an invention created for the war that was invented by the Greeks.It was used to destroy the enemy wall.

Steam locomotive is a type of locomotive that used the water steam to get to move.The first locomotive of steam was built by George Stephenson in 1812.

Lightningrod was invented in 1753 by Benjamín Franklin.It was to attract the beams then it wouldn´t hurt or destroy the people and buildings.

Record player is used to reproduce music.It was very popular in It was very popular to half of the 20th century.The first record player appeared in 1925