Science Essays

Originally, a device known as the ‘photophone’ was used to transmit sound. This replaced Thomas .A. Edison’s ‘phonograph. Since the development of optical fibres ‘photo phones’ and ‘phonographs’ are no longer used or needed. Optical fibres have many advantages; they enable the sound messages to carry for 50km without any …

Light reactions in photosynthesis involve the absorption and use of light. The reactions take place in the thylakoid membrane where chlorophyll and other kinds of smaller organic molecules are present. There are two types of photosystems, photo system I and photo system II. The reaction center in photo system I …

An electric generator is basically an electric motor working backwards. An electric motor converts electrical energy into mechanical energy, and an electric generator converts mechanical energy into electrical energy. An electric generator looks almost identical to an electric motor. Each consists of a loop that is able to rotate in …

What is the difference between the Internet, intranets, and extranets? Use the Cybrary or other Internet resources to research the difference. Find 2-3 examples of situations where companies use all of these networks. Explain why and how they are used, if possible. The INTERNET: The Internet is actually millions of …

Genetic engineering is the alteration of genetic code by artificial means, and is therefore different from traditional selective breeding. Genetic engineering has given us the power to alter the very basis of life on earth. It therefore has few limits-except our imagination, and our moral or ethical code. Genetic engineering …

My favorite place is the Ken Combs Pier located at the end of Courthouse Road in Gulfport. A structure built for and used by fisherman from all over the area. The pier jets out about four hundred feet into the saline water. Every hundred feet there are cabanas built to …

In the short story “The Rocking Horse-Winner” by D. H. Lawrence it is illustrated that money cannot buy happiness. The short story displays the way people allow money to control their lives. The passage includes the literary devices; character development, contrast, suspense and dramatic irony. “The Rocking-Horse Winner” is written …

Market Segmentation means breaking down the total market into self contained and relatively homogeneous subgroups of customers, each possessing its own special requirements and characteristics. This enables the company to modify its output, advertising messages and promotional methods to correspond to the needs of particular segments. Accurate segmentation allows the …

The invention of the Christian church was one of the brilliant solutions in architectural history. This was achieved by a process of assimilating and rejecting various precedents, such as the Greek temple, the Roman public building, the private Roman house, and the synagogue. The Early Christian period saw the growth …

Ogilvy & Mather first rose to prominence in 1950 with its eye-patched “Hathaway Man,” an advertising tool for dress shirts that ran for the next 25 years. Ogilvy’s other initial ads were for Rolls-Royce and Schweppes. Founder David Ogilvy believed that effective advertising created an indelible image of the product …