The objective of descriptive and explanatory research is provide  information why certain things are done in a specific way. The  other purpose is to provide information. Edit. Share to: 1  Catch Recruiters' Eyes with Focused Job Objectives A key component of the resume is the objective.
EnchantedLearning.com The Invention of the Light Bulb: Davy, Swan and Edison. Much later, in 1860, the English physicist Sir Joseph Wilson Swan (1828-1914) was determined to devise a practical, long-lasting electric light. He found that a carbon paper filament worked well, but burned up quickly.ewis Howard Latimer (1848-1928) improved the bulb by inventing a carbon filament (patented in 1881); Latimer was a member of Edison's research team, which was called Edison's Pioneers.. In 1882, Latimer developed and patented a method of manufacturing his carbon filaments.
Edisonâs light bulb was one of the first applications of electricity to modern life. He initially worked with J. P. Morgan and a few privileged customers in New York City in the 1880s to light their homes, pairing his new incandescent bulbs with small generators.