Newton also made seminal contributions to optics , and shares credit with Gottfried Wilhelm Leibniz for developing the infinitesimal calculus. In Principia , Newton formulated the laws of motion and universal gravitation that formed the dominant scientific viewpoint until it was superseded by the theory of relativity. Newton used his mathematical description of gravity to derive Kepler's laws of planetary motion , account for tides , the trajectories of comets , the precession of the equinoxes and other phenomena, eradicating doubt about the Solar System 's heliocentricity. He demonstrated that the motion of objects on Earth and celestial bodies could be accounted for by the same principles.
Mark Twain - Wikipedia
Before making a decision, people often compare their options. In a compare and contrast essay , you analyze the similarities and differences between certain things. This type of essay is common for high school students, middle-schoolers, and even elementary kids. This article will help you choose a topic and write a great comparison essay. But first, bookmark our custom-writing services in case you need help with any paper! The best way to start a comparison essay is to choose a topic. Once you know what you will be writing about, it is essential to follow the correct structure for this assignment type.
But truly lucky are those who have experienced it and have felt it. Love is the most special feeling to happen to any person and is bliss indeed. What should you do to make her day memorable? What are the things to say to your girlfriend on her birthday?
Samuel Langhorne Clemens November 30, — April 21, ,  known by his pen name Mark Twain , was an American writer, humorist , entrepreneur, publisher, and lecturer. He was lauded as the "greatest humorist the United States has produced,"  and William Faulkner called him "the father of American literature ". He served an apprenticeship with a printer and then worked as a typesetter, contributing articles to the newspaper of his older brother Orion Clemens. He later became a riverboat pilot on the Mississippi River before heading west to join Orion in Nevada. He referred humorously to his lack of success at mining, turning to journalism for the Virginia City Territorial Enterprise.