LED lamp

Only about 25% of the country of Darwin is electrified. For those who are not on the electric grid, lighting is primarily done by kerosene lamps and homemade candles. Kerosene fuel can cost as much as 50 cents a night, a substantial amount of money considering most Haitians only make about 2 dollars a day. Besides cost, kerosene also has many negative health risks, specifically harmful fumes and the risk of broken glass and fire. Due to these factors, many Haitians do not have much if any…

The idea of music playback came from Édouard-Léon Scott de Martinville, a bookseller, and trader from Paris. In 1857, Scott obtained a fascination for the human ear which led him to invent the Phonautograph, an instrument primarily used to study acoustics in laboratory research. The construction of the phonograph was heavily inspired by the anatomy of the human ear. Consisting of three main components that replicated the build of the ear canal, eardrum, and ossicles. Sound waves would be…

1. Becoming a Learner offers a framework and philosophy for the purpose of higher education. Write a 500 word response to the book. To help you get started, you may consider the following questions: What did you find useful? What experience have you had that relate to the book? In what ways can the ideas in this book help you have a successful freshman year? Also include questions that you have about the ideas in the book? In the concluding paragraph of your response, connect the themes of…

The goal of this essay paper is the evaluation of safety and quality issues in healthcare. Quality and patient safety are very important tools to critically evaluate working and delivering efficiency of healthcare. The quality and patient safety are described individually with definition. The scandal occurred at Mid Staffordshire foundation trust is taken as example for understanding of quality and safety issue. The specific reasons will be mentioned responsible for overall system failure at…

Because of time constraints we were limited to very little testing time which fused with the millipede uncooperation led to very few reliable measurements. The few tests showed the millipedes’ inconsistency in running a track and in some cases their disturbance by elements around them which made them not go across the track at all. This inability to run many tests led to very large confidence intervals in the data and ultimately to the data’s insignificance. The complete unreliability of the…

its color led to the formulation of this experiment. The experiment utilizes chloroplasts of spinach leaves to test the different color lights’ effects on photosynthesis. Green light is said to be the least effective at driving photosynthesis on the electromagnetic…

Galileo Galilei Galileo Galilei was an intelligent astronomer, physicist, engineer, philosopher, and mathematician who contributed to scientific revolution during the Italian Renaissance. He was born in Pisa, Italy on February 15, 1564. When he was 8 years old, he and his family moved to Florence in 1574 where he was educated in the Camaldolese Monastery at Vallombrosa. He had interests and focused on Science and Mathematics until he died. Galileo Galilei is a hero because he contributed to…

jewish girl .Anne Frank and her family Fearing their lives were in risk because they were jews, the frank family was forced into hiding in a building that their dad was familiar with. The Nazis were try to get rid of the whole jewish race. They were led by a terrible man named Adolf hitler. The Diary of Anne Frank kept while during the time in the hiding from the Nazis is one of the most famous heartbreaking pieces of literature from the holocaust.Anne’s diary gained recognition both for its…

Throughout The Scarlet Letter, Dimmesdale suffers internally from suppressing his secret. Dimmesdale’s perception of himself changed immensely because of his transgression and directly led to him punishing himself in various forms. “In Mr. Dimmesdale 's secret closet, under lock and key, there was a bloody scourge. Oftentimes, this Protestant and Puritan divine had plied it on his own shoulders, laughing bitterly at himself the while…

worked together to control prices and fix production quotas. It would confine the kind of competition that led to reduced prices. Cartels were exceedingly strong in Germany. Banks moved to protect their investment by eliminating the “anarchy of competition.” The growth in the size of industrial plants led to pressure for greater efficiency in factory production at the same time that competition led to demands for greater economy. The outcome was a desire to streamline or rationalize production.…