What Happens When You Travel Faster Than Sound?

Sound waves are like ripples in a pond that radiate around the object. An aeroplane travelling at sub-sonic speed will be travelling behind the sound that it has emitted. When the aeroplane reaches the exact speed of sound, the sound it is producing will accompany it on its journey. This can be very dangerous. Why?
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Can We Live Without GPS?

While it was the military who developed this technology for their internal use, it soon became available for all and became extremely popular as well. Another reason of its popularity was perhaps the low cost which is associated with it, be it the installation cost or the running cost. Now, GPRS devices are used in
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Representation of a Vector

The length of the arrow on a certain scale represents the magnitude of the vector and arrow-head, and gives the direction of the vector. Let us consider an example. Suppose an aeroplane flies towards east with a velocity of 500 km / h. To represent the velocity of this aeroplane we first indicate north south
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What Makes an Aeroplane Fly?

One thing that you really need to understand before you can build a toy plane that actually flies is what it is that makes planes fly in the first place. Luckily, with a little explanation, the basic scientific principles of plane flight aren’t too difficult to understand. The key to flight, understandably, is the wings.
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Does Your Child Learn the Hard Way?

Does your child act before he thinks? Does your child pat a dog, even though you warn him not to? Would your child ignore a ‘wet paint, don’t touch’ sign and check it out for themselves? If you’re busy nodding your head then chances are your child likes to learn through trial and error.  “You
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CIF – SIF What’s the Difference

In this article I’m going to explain the differences between CIF and SIF. In keeping with our sanity and to continuing with the theme of keeping it simple I’m going to attempt to use as few techno jargons as possible. CIF and SIF are most notably used to describe video resolution and are used heavily
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Top 20 Symptoms – You Are a Porn Slave

It is quite logical to say that all individuals who make use of the internet all the time get exposure to the web porn unfailingly. The online porn business is blasting and there are incalculable locales delineating the whole scope of explicit acts, from voyeurism to subjugation to recreated assault. For a large number of
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What’s a Saab

The Saab is an automobile produced a Swedish car manufacturer. The company was originally a division of the Swedish Aeroplane Company established in 1937 to produce aircraft for the Swedish Air force. To most Americans that seems like an early date to begin producing military planes for World War II, One must remember that the
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