Who invented gravity

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You're sort of right — about the gravity thing, at least. Newton's biggest contribution to physics was (obviously?) not so much noticing that stuff falls as it was discovering that the force that made apples fall was the same force that made the moon circle endlessly around the Earth (and could be predicted with the same equations). Beyond the gravity thing, though, Newton was absolutely vital to the development of both modern physics and modern math. He single-handedly invented calculus, established a theory of physics so rock-solid that it literally took Einstein to overturn it, and laid the groundwork for optics. He also dabbled in alchemy, biblical history, and served in Parliament (via The motivation, according to The Gruesome, was apparently to see what he could learn about how the eye perceives color, but all he really learned was that poking yourself in the eye disrupts your vision. Based on the experiment, Newton conceived that light was made of particles exerting physical pressure on the eye, which ... is not right, but good guess, guy who invented calculus. Also, as The correct explanation for these eye spots (technically referred to as "phosphenes"), according to the Duke Eye Center, is that the physical pressure excites certain cells electrically, which the brain then misreads as light. So now you know! And you don't have to stick any needles in your eyes. You're welcome!

Our understanding of gravity has gone through a few permutations, from Newton’s equations through to Einstein’s general relativity. With today’s discovery of gravitational waves, we look back on how our grasp of gravity has evolved over the centuries. 1687: Newtonian gravity Isaac Newton publishes All planets’ Wes Mountain/The Conversation, Einstein predicted that the wavelength of light coming from atoms in a strong gravitational field will lengthen as it escapes the gravitational force. The longer wavelength shifts the photon to the red end of the electromagnetic spectrum. 1915: General relativity Albert Einstein publishes The theory also predicts the existence of black holes and Wes Mountain/The Conversation, 1917: Einstein theorises stimulated emission In 1917, Einstein publishes a paper on the quantum theory of radiation indicating Einstein proposed that an excited atom could return to a lower energy state by releasing energy in the form of photons in a process called spontaneous emission. In stimulated emission, an incoming photon interacts with the excited atom, causing it to move to a lower energy state, releasing photons that are in phase and have the same frequency and direction of travel as the incoming photon. This process allowed for the development of the laser (light amplification by stimulated emission of radiation). 1918: Prediction of frame dragging 1919: First observation of gravitational lensing Gravitational lensing is the bending of light around massi...

Sir Isaac Newton did not have a particularly imposing physique for his day. Despite this, he possessed a considerable brain, as evidenced by the numerous discoveries that he made about topics such as mathematics, light, motion, and gravity. It is said that Isaac Newton observed an apple falling around 1665 or 1666, which led to the development of his theory of gravity. What are the 3 laws of gravity? What are the three laws of motion that Newton proposed? The Law of Inertia, the Law of Mass and Acceleration, and the Third Law of Motion are the three laws of motion that are attributed to Isaac Newton. Who discovered gravity before Isaac Newton? A minister in the Indian state of Rajasthan who is known for making controversial statements has recently asserted that an Indian mathematician and astronomer named Brahmagupta-II (598-670) discovered the law of gravity more than a thousand years before the English scientist Isaac Newton (1642-1727). Did Albert Einstein discover the law of gravity? Einstein did. He postulated that a mass may push space plenty into motion. It has the ability to twist it, bend it, force it, or pull it. In 1905, Albert Einstein published his Special Theory of Relativity, in which he added time as a fourth dimension to space and called the resulting combination space-time. Gravity was simply a natural consequence of the presence of a mass in space. Who discovered 9.8 s2? In the early 1600s, Galileo calculated that the acceleration caused by gravity (g) o...

In the 7th century, Indian astronomer Brahmagupta spoke of gravity as an attractive force. Who is the father of gravitational force? Isaac Newton Isaac Newton is popularly remembered as the man who saw an apple fall from a tree, and was inspired to invent the theory of gravity. If you have grappled with elementary physics then you know that he invented calculus and the three laws of motion upon which all of mechanics is based. Who discovered gravitational force first? Isaac Newton changed the way we understand the Universe. Revered in his own lifetime, he discovered the laws of gravity and motion and invented calculus. He helped to shape our rational world view. Who is called Indian Einstein? He was an excellent philosopher and therefore the leader of spiritual insights. – Nagarjuna is known as the Einstein of India because he propounded the idea of Shunyavada like Einstein’s theory of Relativity. Who was the first person to discover gravity? Sir Isaac Newton was the first person to discover Gravity. He described and explained his discovery through his theory which is known as ‘Newton’s Law of Universal Gravitation ‘. Who discovered gravity and how? English physician and mathematician Isaac Newton discovered the existence of gravity in the 1680s. The theories related to gravitation formulated by Newton were based on the works done by Galileo Galilei in the 16th century. Why did Isaac Newton discover gravity? The legend is that Newton discovered Gravity when he saw a fallin...

The discovery began when a team of scientists pointed NASA's Chandra X-ray Observatory at a cluster of galaxies — around 50 galaxies bound together by gravity — called NGC 4839. This group is merging with the much larger Coma Cluster, a dense stellar formation some 340 million light-years from Earth, which contains over 1,000 tightly-bunched galaxies. Related: Largest galaxy ever discovered baffles scientists Researchers tracked NGC 4839 as it moved through the Coma Cluster, leaving a streak of bright, hot gas in its wake — a "tail". Using X-ray data from Chandra, along with optical data from the Sloan Digital Sky Survey, scientists measured this trail as NGC 4839 moved like a boat slicing through water from the outer reaches of the cluster toward its center. The tail ended was 1.5 million light years long — the longest such structure ever observed, according to NASA. The image on the left shows an X-ray view of the Coma galaxy cluster taken with ESA's XMM-Newton (blue), along with optical data from the Sloan Digital Sky Survey (yellow). The galaxy group NGC 4839 is located in the lower right of that image. The inset on the right is the Chandra image (purple) of the region outlined by the square. The head of NGC 4839's tail is on the left side of the Chandra image and contains the brightest galaxy in the group and the densest gas. The tail trails to the right. (Image credit: X-ray: Chandra: NASA/SAO/Univ. of Alabama/M. S. Mirakhor et al.; XMM: ESA/XMM-Newton; Optical: SDSS...

When the Isaac Newton, a few months after acquiring his undergraduate degree in the spring of that year, the 23-year-old retreated to his family farm of Woolsthorpe Manor, some 60 miles northwest of Cambridge. Along with being located a safe distance from the carriers of the horrific disease that was wiping out the population of the city, Woolsthorpe provided the sort of quiet, serene environment that allowed a mind like Newton's to journey, uninterrupted, to the farthest reaches of the imagination. This period is now known as annus mirabilis – the "year of wonders." Newton helped develop calculus First, he continued the work on mathematics that had engaged his mental acuities until being shut out of Trinity. The issue at hand was determining universal equations involving fluctuating quantities, an issue that had been tackled, on a limited scale, by the French mathematicians By the end of 1666, Newton had effectively solved this problem with a series of papers on the rules of "fluxions," now known as calculus. Isaac Newton dispersing light with a glass prism Photo: Apic/Getty Images He analyzed color, light and the spectrum Newton also turned his attention to the study of optics, and the prevailing wisdom that every color on the spectrum was a mix of dark and white light. He conducted an experiment in which he drilled a tiny hole in the shutter of his bedroom window, intercepted the ensuing light beam with a prism, and then placed a second prism in the path of those refrac...