Top 10 Discoveries of Isaac Newton

Last Updated: Feb 20, 2026, 17:00 IST

Sir Isaac Newton’s "Year of Wonders" (1666) sparked a scientific revolution. By formulating the laws of motion, universal gravitation, and calculus, he provided a mathematical blueprint for the universe. His work in optics and planetary mechanics remains the foundation for modern engineering, space exploration, and deep physical inquiry.

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Sir Isaac Newton (1643-1727) was one of the greatest scientists in history whose contribution in the scientific revolution transformed our perception of the universe. 

Newton was born prematurely in Lincolnshire, England and despite the early setbacks, he attended the University of Cambridge in 1661 and indulged himself in the new mechanical philosophy. 

His most prolific years were 1665-66 Great Plague, when Cambridge was shut and he had to go to his family farm, in Woolsthorpe, this was where the name annus mirabilis (year of wonders) was given to it.

What is the History Behind Newton’s Inclination Towards Discoveries?

The isolation of Newton with the plague was a good breeding ground of genius. He explored the fields of optics, motion, and mathematics, building upon the works of such thinkers as Descartes and Galileo and pushing them to the boundary.

There were events that were instrumental such as the chemistry of Robert Boyle and the geometry lectures of Isaac Barrow at Cambridge. This was the time that gave birth to initial concepts of gravity and calculus that were later developed during competitions.

His philosophical character which was a fusion of rationalism and alchemical interests compelled him to continuous experimentation.

Top 10 Discoveries of Isaac Newton

The discoveries of Newton, which were documented in such masterpieces as Philosophiae Naturalis Principia Mathematica (1687) and Opticks (1704), covered physics, math, and optics. These 10 picks are his most transformative works, based on the records of Royal Society studies.

Discovery

Description

History

Lasting Impact

Laws of Motion

Inertia (1st), F=maF=ma (2nd), action-reaction (3rd).

Conceived 1665; Principia Book I.

Basis for engineering, rocketry.

Universal Gravitation

F=Gr2m1m2 - unifies earthly and celestial forces.

Apple insight; Kepler synthesis 1687.

Enables orbital mechanics, space exploration.

Infinitesimal Calculus

Fluxions for derivatives/integrals.

1669 manuscript; priority feud with Leibniz.

Underpins modern analysis, AI algorithms.

Composition of White Light

Prism refraction reveals spectrum; recombines to white.

1666 Woolsthorpe experiments.

Spectroscopy in chemistry, astronomy.

Reflecting Telescope

Parabolic mirror eliminates color fringing.

Constructed 1668; Royal Society gift.

Precursor to professional observatories.

Theory of Color

Light interacts with bodies to produce hues.

Opticks (1704); thin-film tests.

Color science, digital displays.

Binomial Theorem Generalization

Infinite series for (a+b)n(a+b)n

1665 isolation.

Probability, approximations.

Centripetal Force

Fc=rmv2

De motu Corporum (1684).

Circular motion in vehicles, planets.

Newton's Rings

Interference in reflected light.

1717 Opticks update.

Wave optics, precision measurement.

Law of Cooling

Exponential cooling via temperature gradient.

1701 lectures.

HVAC systems, forensics.

Isaac Newton’s Legacy

The Principia by Newton with the help of Halley crowned the Scientific Revolution and the Opticks investigated the corpuscular nature of light, a precursor of quantum discussions.

Being the president of the Royal Society (1703-1727) and Master of the Mint, he turned science and economics into professions. This was enriched by his personal theology and alchemy, but he was not fond of fame: "I know not what I shall make myself; but to myself I shall be only a boy at play upon the shore.

Principia is the greatest intellectual monument described by Einstein; it brought relativity and quantum mechanics.

The 10 discoveries by Newton shed light on the strength of observation and mathematics, iPhones, Mars rovers. His legacy is a call to find out boldly the law of nature in an age of AI and space races.

Kirti Sharma
Kirti Sharma

Content Writer

Kirti Sharma is a content writing professional with 3 years of experience in the EdTech Industry and Digital Content. She graduated with a Bachelor of Arts and worked with companies like ThoughtPartners Global, Infinite Group, and MIM-Essay. Apart from writing, she's a baking enthusiast and home baker. As a Content Writer at Jagran New Media, she writes for the General Knowledge section of JagranJosh.com.

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