- published: 19 May 2016
- views: 23648
Radio is the transmission of signals through free space by electromagnetic waves with frequencies significantly below visible light, in the radio frequency range, from about 3 kHz to 300 GHz. These waves are called radio waves. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space.
Information, such as sound, is carried by systematically changing (modulating) some property of the radiated waves, such as their amplitude, frequency, phase, or pulse width. When radio waves strike an electrical conductor, the oscillating fields induce an alternating current in the conductor. The information in the waves can be extracted and transformed back into its original form.
The etymology of "radio" or "radiotelegraphy" reveals that it was called "wireless telegraphy," which was shortened to "wireless" in Britain. The prefix radio- in the sense of wireless transmission, was first recorded in the word radioconductor, a description provided by the French physicist Édouard Branly in 1897. It is based on the verb to radiate (in Latin "radius" means "spoke of a wheel, beam of light, ray").
A killer is someone or something that kills, such as a murderer.
Killer may also refer to:
(Verse)
Everyday I’m falling in love
With you,
You’re my dream come true
I want you now here by my side
So come on
Let’s have together an endless night
Falling in love…
With you,
You’re my dream come true
I want you now here by my side…
(Chorus)
We are beautiful people
We are beautiful people
We are beautiful people living their lives
As long as we love the future is bright
Beautiful people living their lives
As long as we love the future is bright
We are beautiful people
We are beautiful people
We are beautiful people
(Verse)
Everyday I’m falling in love
With you,
You’re my dream come true
I want you now here by my side
So come on
Let’s have together an endless night
Falling in love…
With you,
You’re my dream come true
I want you now here by my side…
(Chorus)
We are beautiful people
We are beautiful people
We are beautiful people
We are beautiful people living their lives
As long as we love the future is bright
Beautiful people living their lives
As long as we love the future is bright
We are beautiful people
We are beautiful people