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The man who invented video games is Ralph H. Baer. Ralph Baer was born in 1922 southwest Germany. In 1938 he left Germany for U.S. with his family. In 1940 he graduated at National Radio Institute as a radio service technician. In the 1940’s he ran three radio service stores in NY City, he serviced all types of home and auto radios, early FM radios and TV Sets and built PA systems. In the late 1940’s he joined the army. In 1950 he became the chief (and only) engineer at Wappler, Inc, a small electro medical equipment firm in NY City. He designed and built surgical cutting machines, epilators, and muscle-toning low-frequency pulse generating equipment.

Is maths invented or discovered? One of the most interesting questions to investigate with regards to maths ToK is the relationship between maths and reality. Why does maths describe reality? Are the mathematical equations of Newton and Einstein inventions to describe reality, or did they exist prior to their discovery? If equations exist independent of discovery, then where do they exist and in what form? The following discussion on maths and reality is not intended to be a model ToK essay – but simply a resource to help a discussion on this topic. At the end of the piece I have included a number of other interesting ToK maths questions for potential discussion.

But why should maths describe reality? Why should there be an equation linking energy and mass, or one predicting the decay of a radioactive atom or one even linking three sides of a triangle? We take the amazing predictive powers of mathematics for granted, and yet these questions lead onto one the most fundamental questions of all – is mathematics a human invention, created to understand the universe, or do we simply discover the equations of mathematics, which are themselves woven into the fabric of reality?

The latter half of the 19th century saw the invention of ,  and  which soon replaced black powder in many applications.

The evolution of led to the development of during the 15th century, pioneered by states such as the . came to dominate in by the 17th century. The gradual improvement of firing heavier rounds for a greater impact against fortifications led to the invention of the and the in the , where traditional and were no longer suitable for defense. The use of gunpowder technology also spread throughout and to , , and . The so-called of the consisted of the , , and . The use of gunpowder in warfare during the course of the 19th century diminished due to the invention of . Gunpowder is often referred to today as "" to distinguish it from the propellant used in contemporary firearms.

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Although it is not known precisely by whom gunpowder was invented, most historians agree that gunpowder's origins were in China by virtue of archaeological evidence and historical documents predating others by centuries, even if some professional military historians know little or nothing else about this early history of gunpowder warfare. The very earliest possible reference to gunpowder appeared in 142 AD during the , when the wrote about a substance with the properties of gunpowder, and described a mixture of three powders that would "fly and dance" violently in his , otherwise known as the , a text on the subject of alchemy. Although it is impossible to know if he was actually referring to gunpowder, no other explosive known to scientists is composed of three powders. While it was almost certainly not their intention to create a weapon of war, Taoist alchemists would continue to play a major role in the invention of gunpowder due to their experiments on and in the search for the secrets of eternal life and ways to transmute one material into another. Historian Peter Lorge notes that despite the early association of gunpowder with Taoism, this may be a quirk of historiography, and a result of the better preservation of texts associated with Taoism rather than being a point of interest limited to only Taoists. The Taoist quest for the elixir of life attracted many powerful patrons, one of whom was , and one of the resulting alchemical experiments involved heating 10% sulfur and 75% saltpeter to transform them.

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is the first physical and . Before its invention, many had been used, including . The invention of gunpowder is attributed to experimentation in by in the pursuit of immortality, and is popularly listed as one of the "" of . It was invented during the late (9th century) but of a written formula appeared in the (11th century). Knowledge of gunpowder spread rapidly throughout the possibly as a result of the during the 13th century, with the earliest written formula for it outside of China contained within the , a 1267 treatise by the friar . It was employed in warfare to some effect from at least the 12th century in weapons such as , , and the before the appearance of the . While the fire lance was eventually supplanted by the gun, other gunpowder weapons such as rockets continued to see use in China, Korea, India, and eventually Europe. Bombs too never ceased to develop and continued to progress into the modern day as , , and other explosive implements. Gunpowder has also been used for non-military purposes such as for entertainment, or in explosives for and .

Car is a major invention from the last centuries which was greatly accepted by the world since then. In the year 2000, cars had been a popular form of transportation and it is recorded that there are 29 millions of cars on British roads alone.

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think that the Internet is the greatest invention of mankind, ..

A unique and fascinating introduction to the amazing variety of inventions, both ancient and modern. From simple machines such as wheels, gears, pulleys, and levers,

Who invented essays? Michel Eyquem de Montaigne a sixteenth century french author Edit. Share to: Invention did Vannevar Bush write about in a 1945 essay?

P.S. The final sentence is a bit of an anticlimax, I think. If you want to argue that the computer is the greatest invention ever, perhaps the right way to put it would be to say that computer will liberate us from work, instead of just taking our jobs. One day these reviews, for instance, will be written by a computer, and I'll be able focus on Barcelona's annihilation of Bayer Leverkusen.

23/11/2012 · More specifically, who was the first person that invented essay writing in history?

Nothing like the wheel exists in nature; it may be one of humanity's greatest inventions. In Wheels, writer and illustrator Edwin Tunis traces the development of the wheel over 5,000 years, his accurate drawings and lucid text depicting the human victory over space and inertia.