Date: 21st October 2016; 20th or 21st Muharram 1438;
ISLAMIC AL-JUMUAA REMINDER AND LEGACY GROUP, (http://aljumaareminder.com/), pondering over some miracles
WEIGHT OF CLOUDS
They may look all light and fluffy, but the reality is that clouds are actually pretty heavy. Researchers have calculated that the average cumulus cloud – which is that nice, white fluffy kind you see on a sunny day – weighs an incredible 500,000 kg (or 1.1 million pounds!) [Or, as LeMone explained it to Soniak, think of that as 100 elephants].
The fact that a mass of 500 tons of water can remain aloft is truly amazing. Attention is drawn to the weight of clouds in other verses of the Qur’an:
It is He Who sends out the winds, bringing advance news of His mercy, so that when they have lifted up the heavy clouds, We dispatch them to a dead land and send down water to it, by means of which We bring forth all kinds of fruit… (Qur’an, 7:57)
It is He Who shows you the lightning, striking fear and bringing hope; it is He Who heaps up the heavy clouds. (Qur’an, 13:12)
At the time when the Qur’an was revealed, of course, it was quite impossible to have any information about the weight of clouds. This information, revealed in the Qur’an, but discovered only recently, is yet another proof that the Qur’an is the Word of Allah.
DARKNESS IN THE SEAS AND INTERNAL WAVES
Or [the unbelievers’ state] are like the darkness of a fathomless sea which is covered by waves above which are waves above which are clouds, layers of darkness, one upon the other. If he puts out his hand, he can scarcely see it. Those Allah gives no light to, they have no light. (Qur’an, 24:40)
Measurements made with today’s technology have revealed that between 3 and 30 percent of the sunlight is reflected at the surface of the sea. Then, almost all of the seven colours of the light spectrum are absorbed, one after another, in the first 200 metres, except for blue light (picture at left). Below a depth of 1,000 metres, there is no light at all (above picture). This scientific fact was pointed out in Surah Nur 40 in the Qur’an 1,400 years ago.
In deep seas and oceans, the darkness is found at a depth of 200 meters and deeper. At this depth, there is almost no light, and below a depth of 1,000 meters there is no light at all.
Today, we know about the general formation of the sea, the characteristics of the living things in it, its salinity, as well as the amount of water it contains, and its surface area and depth. Submarines and special equipment, developed with modern technology, have enabled scientists to obtain such information.
Human beings are not able to dive to a depth of more than 70 meters without the aid of special equipment. They cannot survive unaided in the dark depths of the oceans, such as at a depth of 200 meters. For these reasons, scientists have only recently been able to discover detailed information about the seas. However, that the depth of the sea is dark was revealed in the Qur’an 1,400 years ago. It is certainly one of the miracles of the Qur’an that such information was given at a time where no equipment to enable man to dive into the depths of the oceans was available.
We can also understand from the following sentences in the previous verse, “…in a deep sea. It is covered by waves, above which are waves, above which are clouds….”, that the deep waters of seas and oceans are covered by waves, and above these waves are other waves. It is clear that the second set of waves are the surface waves that we see, because the verse mentions that above the second waves there are clouds. But what about the first waves? Scientists have recently discovered that there are internal waves which “occur on density interfaces between layers of different densities.”
The internal waves cover the deep waters of seas and oceans because the deep waters have a higher density than the waters above them. Internal waves act like surface waves. They can also break, just like surface waves. Internal waves cannot be seen by the human eye, but they can be detected by studying temperature or salinity changes at a given location.
The statements in the Qur’an run parallel precisely the above explanation. Certainly, this fact, which scientists has discovered very recently, shows once again that the Qur’an is the word of Allah.
The picture to the left represents internal waves at interface between two layers of water of different densities. The lower layer is denser than the upper one. This scientific fact, declared in Sura Nur 40 of the Qur’an 14 centuries ago, has been discovered by today’s scientists only very recently.
Next week we will use one of these miracles to explain a certain group of people.
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