19.3.1: Roots of the Scientific Revolution
The scientific revolution was the emergence of modern science during the early modern period, when developments in mathematics, physics, astronomy, biology (including human anatomy), and chemistry transformed societal views about nature. The scientific revolution began in Europe toward the end of the Renaissance period, and continued through the late 18th century, influencing the intellectual social movement known as the Enlightenment. While its dates are disputed, the publication in 1543 of Nicolaus Copernicus’s De revolutionibus orbium coelestium (On the Revolutions of the Heavenly Spheres) is often cited as marking the beginning of the scientific revolution.
The scientific revolution was built upon the foundation of ancient Greek learning and science in the Middle Ages, as it had been elaborated and further developed by Roman/Byzantine science and medieval Islamic science. The Aristotelian tradition was still an important intellectual framework in the 17th century, although by that time natural philosophers had moved away from much of it. Key scientific ideas dating back to classical antiquity had changed drastically over the years, and in many cases been discredited. The ideas that remained (for example, Aristotle’s cosmology, which placed the Earth at the center of a spherical hierarchic cosmos, or the Ptolemaic model of planetary motion) were transformed fundamentally during the scientific revolution.
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The change to the medieval idea of science occurred for four reasons:
- Seventeenth century scientists and philosophers were able to collaborate with members of the mathematical and astronomical communities to effect advances in all fields.
- Scientists realized the inadequacy of medieval experimental methods for their work and so felt the need to devise new methods (some of which we use today).
- Academics had access to a legacy of European, Greek, and Middle Eastern scientific philosophy that they could use as a starting point (either by disproving or building on the theorems).
- Institutions (for example, the British Royal Society) helped validate science as a field by providing an outlet for the publication of scientists’ work.
New Methods
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Under the scientific method that was defined and applied in the 17th century, natural and artificial circumstances were abandoned, and a research tradition of systematic experimentation was slowly accepted throughout the scientific community. The philosophy of using an inductive approach to nature (to abandon assumption and to attempt to simply observe with an open mind) was in strict contrast with the earlier, Aristotelian approach of deduction, by which analysis of known facts produced further understanding. In practice, many scientists and philosophers believed that a healthy mix of both was needed—the willingness to both question assumptions, and to interpret observations assumed to have some degree of validity.
During the scientific revolution, changing perceptions about the role of the scientist in respect to nature, the value of evidence, experimental or observed, led towards a scientific methodology in which empiricism played a large, but not absolute, role. The term British empiricism came into use to describe philosophical differences perceived between two of its founders—Francis Bacon, described as empiricist, and René Descartes, who was described as a rationalist. Bacon’s works established and popularized inductive methodologies for scientific inquiry, often called the Baconian method, or sometimes simply the scientific method. His demand for a planned procedure of investigating all things natural marked a new turn in the rhetorical and theoretical framework for science, much of which still surrounds conceptions of proper methodology today. Correspondingly, Descartes distinguished between the knowledge that could be attained by reason alone (rationalist approach), as, for example, in mathematics, and the knowledge that required experience of the world, as in physics.
Thomas Hobbes, George Berkeley, and David Hume were the primary exponents of empiricism, and developed a sophisticated empirical tradition as the basis of human knowledge. The recognized founder of the approach was John Locke, who proposed in An Essay Concerning Human Understanding (1689) that the only true knowledge that could be accessible to the human mind was that which was based on experience.
New Ideas
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Many new ideas contributed to what is called the scientific revolution. Some of them were revolutions in their own fields. These include:
- The heliocentric model that involved the radical displacement of the earth to an orbit around the sun (as opposed to being seen as the center of the universe). Copernicus’ 1543 work on the heliocentric model of the solar system tried to demonstrate that the sun was the center of the universe. The discoveries of Johannes Kepler and Galileo gave the theory credibility and the work culminated in Isaac Newton’s Principia, which formulated the laws of motion and universal gravitation that dominated scientists’ view of the physical universe for the next three centuries.
- Studying human anatomy based upon the dissection of human corpses, rather than the animal dissections, as practiced for centuries.
- Discovering and studying magnetism and electricity, and thus, electric properties of various materials.
- Modernization of disciplines (making them more as what they are today), including dentistry, physiology, chemistry, or optics.
- Invention of tools that deepened the understating of sciences, including mechanical calculator, steam digester (the forerunner of the steam engine), refracting and reflecting telescopes, vacuum pump, or mercury barometer.
The Scientific Revolution and the Enlightenment
The scientific revolution laid the foundations for the Age of Enlightenment, which centered on reason as the primary source of authority and legitimacy, and emphasized the importance of the scientific method. By the 18th century, when the Enlightenment flourished, scientific authority began to displace religious authority, and disciplines until then seen as legitimately scientific (e.g., alchemy and astrology) lost scientific credibility.
Science came to play a leading role in Enlightenment discourse and thought. Many Enlightenment writers and thinkers had backgrounds in the sciences, and associated scientific advancement with the overthrow of religion and traditional authority in favor of the development of free speech and thought. Broadly speaking, Enlightenment science greatly valued empiricism and rational thought, and was embedded with the Enlightenment ideal of advancement and progress. At the time, science was dominated by scientific societies and academies, which had largely replaced universities as centers of scientific research and development. Societies and academies were also the backbone of the maturation of the scientific profession. Another important development was the popularization of science among an increasingly literate population. The century saw significant advancements in the practice of medicine, mathematics, and physics; the development of biological taxonomy; a new understanding of magnetism and electricity; and the maturation of chemistry as a discipline, which established the foundations of modern chemistry.
Attributions
- Roots of the Scientific Revolution
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