You probably remember from your science classes in school that the speed of sound is a constant. However, that constant speed is not necessarily the speed at which the sound reaches you. The material which sound is transferred through must be taken into consideration. For example, how does density affect the speed of sound? Since sound waves involve the transfer of kinetic energy between adjacent molecules, the closer those molecules . . .
In the learning field, there are many different approaches. Different people learn in different ways, and teachers may employ different styles in instructing their students. Sometimes overlooked are the many benefits of auditory learning. There are some advantages of auditory learning that other learning styles cannot capture, although they may be effective in their own ways. Here is some basic background on the different learning styles and why, in some . . .
A great deal of attention is paid to other types of pollution — especially air pollution — but the problems and dangers associated with noise pollution are often ignored. Noise pollution effects can be as devastating as other types of pollution, to humans and to animals as well. To help you understand the issues surrounding noise pollution, here are some important noise pollution facts, as well as some ideas on . . .
What are the loudest cities in the world? If you live in a big city, you probably think yours should make the list of the world’s loudest cities. Anyone who lives in a city knows they can be loud places to live — between the traffic, construction and people bustling about, noise pollution is almost always a harsh reality. But some places, believe it are not, are much worse than . . .
Aircraft soundproofing is probably not something you think a lot about, especially if you’re not a frequent traveler. However, think for a moment about how clogged your ears feel when you leave an airplane. You’ll probably find it takes a few hours for you to be able to hear at the same volume you did before you left. Now, imagine what the pilot and crew, who fly constantly and for . . .