animation reference

why is the speed of light constant no matter the frame of reference... please explain in layman's terms... any good reference with animations would be of great help. Thanks. If you are in an inertial frame (i.e. moving at a constant speed), you cannot tell that you are moving. Thus it looks like you are at rest, just as you would be at rest on the surface of the earth. Einstein's postulate was that you could not tell that you were not at rest by finding some change in the basic laws of physics that would apply just to your inertial frame. Thus Maxwell's equations, which determine the propagation of electromagnetic fields, such as light, would be valid in every inertial frame. Maxwell's equations specify the speed of an electromagnetic wave in vacuum. It is c, what we call the "speed of light". Einstein's postulate then leads to the conclusion that the speed of light is constant in every inertial frame, and from there to the physical theory called the Special Theory of Relativity. Many experiments have been done to test Einstein's postulate, and so far have validated it. If you are accelerating in some way (for example in an orbit around the sun), you are not in an inertial frame, and thus Special Relativity does not apply. Einstein and others have attempted to fix this in the General Theory of Relativity, which allows for acceleration, for example by gravity.

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The Scope Of Animation In Different Professional Fields

Animation refers to the use of graphics in different types of professional fields. These computer graphics are mainly used in different sectors whether it is aviation, information technology, medical, hospitality, banking or insurance. These graphics are mainly employed for the presentation of ideas or concepts. Marketers deploy these moving pictures for the purpose of advertising their products or services. This is also used for the purpose of brand promotion of the product or service of the organization.

There are many uses of the animation in today's modern world. It is used for e-commerce in advertising the products and services of the organization. A marketer can incorporate the multimedia content in the web pages of a company site. This embellishes the website of an organization. There are a number of web visitors who get attracted towards the site. A web visitor gets attracted towards the site of the company. These images help a marketer in highlighting the benefits of using the product of the organization. You can elucidate the unique features of the product or service of the enterprise. As a result of which you can encourage the customer to purchase the product. Aviation sector can encourage e-ticketing among its customers. For alluring the customers a marketer, belonging to aviation sector, can use animated images for integrating the web pages. The graphics are used for journalism or audio-film production while preparing video clips or films. The advertisement or public relations agencies and content writing often require the animated pictures for the purpose of embellishing projects, presentations or articles. A person in public relations may require these images to present graphs, charts or columns in the annual or financial reports. It is widely used in the film and entertainment industry. In the film industry, the animated films are created where cartoon character are created instead of film actors. Film producers can achieve desirable expressions from these cartoon characters with ease.

As animation has entered into different types of professional fields, many new institutes have also emerged where young aspirants are trained to explore prospects for themselves in this field. The use of graphics has enhanced the presentation style of various professional fields.

About the Author

Myself Lisa Thomson webmaster of www.arenamohali.com, an animation training institute providing 2d animation training, 3d animation training, flash animation training and other video animation courses for those who want to build a strong career in animation.