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Sir Isaac Newton (25 December 1642 – 20 March 1726/27 [a]) was an English polymath active as a mathematician, physicist, astronomer, alchemist, theologian, and author who was described in his time as a natural philosopher. [5] Newton was a key figure in the Scientific Revolution and the Enlightenment that followed. [6]
Sir Isaac Newton is known for many scientific findings. These discoveries include the laws of motion, the theory of gravity, and basic calculus. Although Newton was predominantly known for his discoveries in mathematics and physics, he also put much effort and study into chemistry, biblical history, and optics.
1672: Sir Isaac Newton: discovers that white light is a mixture of distinct coloured rays (the spectrum). 1673: Christiaan Huygens: first study of oscillating system and design of pendulum clocks; 1675: Leibniz, Newton: infinitesimal calculus. 1675: Anton van Leeuwenhoek: observes microorganisms using a refined simple microscope.
Isaac Newton used the comet to test and verify Kepler's laws. [10] John Flamsteed was the first to propose that the two bright comets of 1680–1681 were the same comet, one traveling inbound to the Sun and the other outbound, and Newton originally disputed this.
The existence of the gravitational constant was explored by various researchers from the mid-17th century, helping Isaac Newton formulate his law of universal gravitation. Newton's classical mechanics were superseded in the early 20th century, when Einstein developed the special and general theories of relativity.
This is a general physical law derived from empirical observations by what Isaac Newton called inductive reasoning. [4] It is a part of classical mechanics and was formulated in Newton's work Philosophiæ Naturalis Principia Mathematica ("the Principia"), first published on 5 July 1687. The equation for universal gravitation thus takes the form:
The journey began in the 17th century when Sir Isaac Newton used a prism to split sunlight, ... He discovered that every color could be created by mixing different amounts of red, green, and blue ...
1671: Newton–Raphson method – Joseph Raphson (1690), Isaac Newton (Newton's work was written in 1671, but not published until 1736). 1696: Brachistochrone problem solved by Johann Bernoulli, Jakob Bernoulli, Isaac Newton, Gottfried Wilhelm Leibniz, Guillaume de l'Hôpital, and Ehrenfried Walther von Tschirnhaus. The problem was posed in ...