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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The Benefits of Using "Mobile Office" Coaches

It wasn't that long ago that the luxurious coach with built-in office facilities was regarded as being pretty much restricted to US election campaigns. In such contexts they were often referred to as " battle buses " and contained a wide range of facilities including fully equipped offices, sleeping and personal hygiene services such as
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Fear Of Travel: Tips To Overcome It

Jenny was one of my valued clients. Because I was going on holidays I called Jenny to let her know so she was well informed in case of an emergency and knew exactly who to contact in my absence. “Where are you going, Rajiv?” Jenny asked upon my informing. “I am off to Europe, Jenny”
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How To Express Than In Thai

In order to compare things or to make a comparison in Thai, you can use the Thai conjunction gwaa. To use the Thai conjunctin gwaa, you need to place it right after a Thai adjective. Here are some simple examples to illustrate the proper usage of gwaa (than). Using gwaa to express "than" in Thai
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