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Sir Isaac Newton’s Scientific Inventions

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Sir Isaac Newton considered by many to be the most influential and greatest scientist who ever lived. Born December 25, 1642 he was an English physicist, mathematician, astronomer, natural philosopher, alchemist, and theologian. Mostly known for his inventions that we all learn in school, the three laws of motion: An object will remain at rest or moving in a straight line unless acted upon by an external force. When force is applied to an object, it will accelerate (Force= mass*acceleration). For every action, there is an equal and opposite reaction. Other inventions include Newton’s Orbital Cannon which was a thought experiment explaining how one object might orbit another. If the cannon was filled with the perfect amount of powder and given sufficient velocity the ball would fall at the same rate Earth curves away from it, therefore it would orbit the planet.

There’s a fun story about how Newton’s experiments were interrupted constantly by cats scratching at the door, so he called the carpenter and made him saw holes in the door so they could pass freely, resulting in one of the most popular cat accessories, the cat door. Although, we are not 100% positive that this story is true, I personally will believe it.

In the spring of 1665 when the bubonic plague coursed through England Isaac Newton spent 18 months formulating the origins of “the science of fluxions” what we know as calculus. This came about because the existing algebra and geometry weren’t sufficient for his scientific needs. Newton can’t take all the credit though, around the same time German mathematician Gottfried Leibniz independently developed calculus as well. 

A book of light and color, “Opticks” by Sir Isaac Newton, states how the colors are a characteristic of the light itself. He proved this by running a white light through a prism to separate it into  a rainbow colors, then by reflecting the scattered beams into another prism the light was reformed back into white light proving that colors were characteristics of light.

Newton played a huge part in making currency highly resistant to forgers. In 1969, he recalled all English coins, melted them down and remade into higher-quality, harder-to counterfeit design. He was a gutsy man because he made the country go without currency for an entire year. The ridges on the U.S. quarter are milled edges introduced by Newton.

Undoubtedly, Sir Isaac Newton invented a lot more and ushered in a new generation of thinkers, these are just a couple of his great works.