Essay Database

…         My name is Albert Einstein. I was born on March 14, 1879 in Ulm, Germany. I was not an inventor in the conventional sense. I was a physicist and theorist. My inventions were not tangible things, but ideas I put on paper and may later on…

… <Tab/>Bohr Model <Tab/>Electrons move <Tab/>External <Tab/>Less massive compared to protons (2000x) <Tab/>Charges …

… escalators are used on a regular basis. They are often taken for granted, but are actually the most expensive and biggest machines used by people regularly. Based on the inclined belt, the escalator is actually a very simple device. Stairs are pulled…

… was born December 14, 1503. His family was of Jewish ancestry. His grandfather, Pierre de Nostradame, had settled in Provence because by the mid-1400s, many Jews had come to live there.         Nostradamus' father was Jacques de Nostradame.…

… and twentieth centuries there is one whose name is known by almost all living people. While most of these do not understand this man's work, everyone knows that its impact on the world of science is astonishing. Yes, many have heard of Albert Einstein…

… Aim: To analyse motion of different types of balls rolling over inclined planks. Hypothesis: If a ball is let go freely on the steep end of the plank, the force…

… 3.1. From mechanics to thermal physics Many concepts in thermal physics are based on mechanical concepts - for example temperature which is a measure of average kinetic energy. When mechanics is applied on millions and millions of atoms or molecules…

… it is hard to tell if something is true without seeing or experiencing it. For now, I do believe that extra terrestrials just existed in our imaginations but not in the real world. The universe has many mysteries that are not yet known to man…

… principles in the 18th century. This was base on the theory that "to every action there is an equal and opposite reaction" (third law of Newton). But it is only in the 1930 that the idea to build a jet engine appeared. This was happening in England…

… league baseball game was 100.9 mph set by Nolan Ryan in 1974. This all happens by a few charismatic events that take place while throwing a baseball. I will explain a few of these today. First, the air dynamic behind the curve ball and second how…