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The long span of history most views of the world were spiritual and mythological kind. somewhere the human beings also began developing tools to master the nature around them. the developments of modern science was of tremendous long-term significance. in earlier civilization, people developed practical tools, system and technologies for managing civilization they had built.  the scientific revelation is usually taken to signify the contrast with the superstitious irrationality that is presumed to have been the cultural and intellectual signature of the middle ages. the seed of science revolution sprouted in the form of the enlightenment, the bourgeois ideology of the age of capital, which established reason as the motor and measure of historical change. the second important enlightenment concept was that the scientific method was capable of discovering the laws of nature as well as those of human society. In the medieval period science gained a new momentum by adaptation of fresh techniques in relation to the methods of observation, experimentation and classification of different natural phenomenon. In the medieval period general theories were established on the basis of speculative reasoning. A value like empirical, experimental research was stressed on and thus formalizing of the empirical method into a general theory of inductive reasoning was done. It was a process of reasoning that establishes general truths on the basis of particular instances or empirical data. The early break through made by Copernicus, Tycho and kepler opened a window and allowed a fresh air of scientific enquiry. Galileo Galilee, the Italian scientist put emphasis on carefully controlled experiments. He discovered many basic principles of mechanics. He established the famous law of inertia. Galileo procured a telescope and began to study celestial bodies. He quickly discovered the first four moons of Jupiter. He was the first man to discover that the earth revolves around the sun. In this way he defied the Aristotelian views and Ptolemy’s astronomy. Isaac Newton combined experimental and inductive approach of bacon, Galileo and Gilbert. Newton developed a unified view of the universe in accordance with three different forces. The first law of Newton was relevant in the statement: an object at rest tends to stay at rest. An object in motion tends to continue at constant speed in a straight line. Newton’s second law of motion states that if more force is placed on an object, the more it accelerates. But the more it is massive the more it resists acceleration. The third and the final law states that for every action there is an equal and opposite reaction. Newton used these three laws to calculate the gravitational force between the earth and the moon. The same year that Nicolas Copernicus published his helio-centric theory. Galen’s anatomy and medicinal theories were based on dissection of animal corpses in A.D.100’s. the scientific revolution also extended too many other areas. Modern physiology began in the early 1600’s with the work of William Harvey. The Dutch microscope maker Zacharias Janssen was the first to use combined lenses. Robert Boyle, an Irish scientist, helped establish the experimental method in chemistry.he introduced many new ways of identifying the chemical composition of substances.