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Herinrich Hertz proved the existence of radio waves
http://www.knowitall.org/kidswork/etv/history/radio/ German scientist Heinrich Hertz proved the existence of radio waves, which occur in nature. -
The radio was first created in 1895 by Gugilemo Marconi
website: http://www.knowitall.org/kidswork/etv/history/radio/ In 1895, a young Italian named Gugliemo Marconi invented what he called “the wireless telegraph” while experimenting in his parents’ attic. He used radio waves to transmit Morse code and the instrument he used became known as the radio. -
The radio's uses in war
http://www.personal.psu.edu/jtk187/art2/radio.htm The early uses of the radio were mainly for maintaining contact between ships out a sea. However, this initial radio was unable to transmit speech, and instead sent Morse code messages back and forth between ships and stations on the land. During time of distress, a sinking ship would use a radio messaged nearby vessels and stations on the land to ask for aid. The radio saw a surge of use during the First World War. -
The first radio broadcast
By about 1920, valve technology had matured to the point where radio broadcasting was fast becoming viable. However, an early audio transmission that could be termed a broadcast may have occurred on Christmas Eve in 1906 by Reginald Fessenden, although this is disputed. -
The radio starts to become popular
By the 1930s, most households in the U.S. and Europe had at least one radio. In the evening, the family gathered around a big “console” that was usually located in the living room, where they might spend hours listening to variety shows or comedies. -
The radio is saved by rock and roll
In 1945 television saw its rise to prominence and radio began to go on a slow but steady decline. But in the 1950’s thanks to Rock and Roll the radio saw new life. Following the Second World War the radio turned into its more recognizable for of musical entertainment. AM stations played a top-40 time and temperature format, which meant they played popular three minute songs in constant rotation. All programming and music became aimed at a target audience of ages twelve to thirty five. -
The rise of FM radio
http://www.personal.psu.edu/jtk187/art2/radio.htm The sixties and seventies saw the rise of FM radio. The new music that FM aired began to pose a threat to the old top-40 music AM stations still played in rotation, and the growing music of the hippie and psychedelic generation took over the FM airwaves. -
Thousands of radio stations start to sping up
http://www.personal.psu.edu/jtk187/art2/radio.htm Through the 80s and 90s radio broadcasting continued to expand. Thousands of more stations sprung up playing all different kinds of music, world, pop, rock, jazz, classical, etc. -
The evoultion of the radio in the 21st century
in the 21st century the radio has reached its greatest heights.
With the year 2000 the radio expanded into the satellite and internet markets. The need for live DJ’s is dwindling since everything can be done via a computer all the editing and broadcasting can be done using hard drive of a computer.Car companies have paired up with satellite radio stations like XM radio to offer special deals on satellite radios which offer every kind of music, news, and entertainment stations. -
The radio in today's world
The modern radio is one of the most popular things in today's world . Nearly ever car in the world has a radio and they are very easy to use just touch of a button will get you to your favorite station or song. The evoulution of the radio is pretty amazing.
