The most important inventions of mankind

Conversations on the cable.The arrival of the telegraph in the nineteenth century, and then the phone revolutionized the way the transmission of information. The first telephone lines appeared shortly after the new patentable invention, and in a short time started to be built in an increasing number of countries. Initially, the telephone call was used working in the headquarters of the operators. Then there are the automatic head, followed by mobile machines, which are Karakorum number. Today, thanks to modern technology, sometimes simply enter the name of the person to whom you wish to call. Phones are equipped with an automatic machine, and most of all - there is wireless telephony. Even today you can help them use the Internet, will soon enable the reception of television services and home electrical appliances. With the phones, can connect with one another, people from all over the world, children can talk with their parents, we can call an ambulance, order pizza or make someone popular, telephone joke.