Once electricity was discovered, it was used as a "postman", transmitting information at lightning speed. By wire transfer electrical signals learned, transfer telegrams and live human speech. It was a victory over the space! But telephone and telegraph wires will not last for a ship or plane, the train or car.
Bridge the space people helped radio (translated from the Latin word "radio" means "radiate", it has a common root with another Latin word - "radius" - "beam"). To send messages without wires need only radio transmitter and receiver, which are connected by electromagnetic waves, otherwise known as radio waves emitted by the transmitter and received by the receiver.
<span>The history of radio begins with the world's first radio that was created by the Russian scientist Alexander Popov Popov in 1895 constructed a device which, in his words, "to replace the missing man electromagnetic sense" and react to electromagnetic waves. First, the receiver can "feel" the only atmospheric electrical discharges - lightning. And then learned to accept and record on a tape telegrams transmitted by radio. His invention Popov summed up the work of a large number of scientists from several countries.</span>
Writing, myself, english, french, russian, younger, facial, wearing, usually, singer, reading, funny, doing, trainers.
Maslenitsa is an Eastern Slavic religious and folk holiday, celebrated during the last week before Great Lent, that is, the eighth week before Eastern Orthodox Pascha (Easter). Maslenitsa corresponds to the Western Christian Carnival, except that Orthodox Lent begins on a Monday instead of a Wednesday, and the Orthodox date of Easter can differ greatly from the Western Christian date.
Comte de La Fer . граф де ля фер.......
<span>1. How many lessons do they have on Monday?
2. How long is the Thames?
3. How long does it take him to get to school?
4. How old is Ann?
5. How many </span><span><span>languages</span> can she speak?</span>