Miracles Of The Qur'an, - Radio Receivers On Mountains

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We gave David great favor from Us:"O mountainsand birds!Echo with him in his praise!" And We made iron malleable for him: (Surah Saba', 10)
There is a strong possibility that the description of mountains "echoing" in the above verse may refer to the workings of a modern radio. (Allah knows the truth.) The basic principles on which radios operate may be summarized as follows:
A radio system consists of a transmitter and a receiver. The transmitter takes the message to be sent, encodes it in what is known as a "sine wave" and transmits it in the form of waves through the air. The receiver takes in the radio waves and deciphers the message sent on the sine wave. In this way, the message is received in exactly the same form as it was sent. The word "awwibee," translated as "echo" in the above verse and meaning "sound being repeated or returned", may very well be a reference to the transmission of these radio waves. (Allah knows the truth.)
Sounds are emitted in the form of sound waves by way of an antenna. This is in order that the receiver can take in the data which has been sent via an antenna linked to the receiver. The purpose behind using antennae is the transmission into space of the waves emitted by the radio transmitter. The receiving antenna is intended to collect as many radio waves and messages as possible. This is why NASA uses giant antennae dishes 70 meters across for its satellites millions of kilometers away in space.
There are also radio telescopes which can use radio waves to form images. Since radio waves are very long, a radio telescope has to be much larger in order to collect them as clear images. In order to obtain sharper and better images, astronomers use a connected series of smaller telescopes or receptors. These telescopes act collectively as one very large device – almost like a team, each with its own role. In their physical appearance, these antennae series resemble mountain systems.
This NASA photograph shows the Apollo 12’s S band antenna.
In addition, "repeaters" are employed to permit radio communications over great distances. These devices repeat and strengthen weak signals and enable them to be transmitted over considerable distances. Such devices are generally sited on tall buildings or preferably on the tops of mountains, in order to have the greatest effect. The use of the word "awwibee," translated as "echo" in the above verse, is exceedingly wise. The statement of, "O mountains and birds! Echo with him in his praise!'" in verse 10 of Surah Saba' may be a description of that technology. (Allah knows the truth.)
Each of the antennae in the picture weighs 212 tons, and are as high as a 10-storey building and measure at least 25 meters across.
A radio telescope on Peach Mountain, in Dexter, Michigan

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