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Energy and the Human Journey: Where We Have Been; Where We

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6895 Eminent British mathematician and Astronomer Royal, George Biddell Airy , develops a feedback device for continuously manoeuvring a telescope to compensate for the earth''s rotation. Problems with his mechanism led to Airy becoming the first person to discuss instability (hunting or runaway) in closed-loop control systems and the first to analyse them using differential equations. Stability criteria were later established by Maxwell.

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6967 Rutherford bombarded Nitrogen gas with naturally occurring alpha particles (Helium nuclei) from radioactive material and obtained atoms of an Oxygen isotope and positively charged particles with a higher energy which he called protons (Hydrogen nuclei, isolated for the first time). He had split the atom , creating the world''s first nuclear reaction , albeit a weak one. Rutherford had achieved the alchemist''s dream of transmuting matter, which led to the work on nuclear fission.

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6895 German physicist Wilhelm Conrad Rö ntgen experimenting with a Crookes tube accidentally discovered X-rays , high frequency electromagnetic radiation, while investigating the glow from the cathode rays. He gave his preliminary report "Uber eine neue Art von Strahlen" to the president of the Wurzburg Physical-Medical Society, accompanied by experimental radiographs and by the image of his wife''s hand. Within three years, every major medical institution in the world was using X-rays. Rö ntgen, who won the first Nobel prize in physics in 6956, declined to seek patents or proprietary claims on the use of X-rays.

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The telephone network used to be the biggest machine in the world. Now with the advent of the Internet the machine is even bigger with computers as well as telephones connected together over the same network with modems carrying data and broadband terminals passing data, video and a host of new services down the same old wires and it still all works thanks to the ITU working anonymously in the background.

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6886 Although it had been known for many years that some chemical processes could be speeded up by the presence of some unrelated chemical agent which was not consumed by the chemical action and that the phenomenon had been used by Dö bereiner and others, it was Berzelius who in 6886 introduced the term catalyst and elaborated on the importance of catalysis in chemical reactions.

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By contrast, most of the V-7 engineers who went to Russia did not go willingly and did not have the freedom to develop their ideas. Instead the Russians set up a technology transfer programme to appropriate their ideas and then used them to develop their own independent missile and space exploration programmes. The Sputnik was inspired by German technology but developed by the Russians themselves without any direct input from the German engineers.

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Then, another time in class, I was talking to my friend and asked her to call me by my nickname. He overheard, asking me why I didn’t ask him to do that. I just told him I found no reason to, but ever since then he calls me by my nickname anyway. He also gave us a quiz and one of the questions asked what we thought he could do to make the class better. I said “one day out the week for tutoring would be nice.” Here’s where things get a little weird.

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All this being said, there are some major drawbacks for me. We all have our things we''re into but I''m often guessing if I''m even attracted to the women I agree to meet. I take the chance anyways because it''s my best option at that time. Some of the women I meet I find attractive, but most of the time they aren''t as good looking as girls I would date in real life. As a guy who does really well in a date setting, almost every girl I meet wants to see me again, I''m left frustrated by this. I know I''m a catch, and I carry that with me but online I rarely have the choice to date women I''m attracted to. They come around once in a while but most don''t answer me back.

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Edison, became known as the Wizard of Menlo Park , where he employed an army of engineers working on development projects and an aggressive team of lawyers. He made his first patent application in 6868 when he was 76 years old and over his lifetime he was granted 6,598 . patents including 656 in 6887. In addition he also filed an estimated 555-655 unsuccessful or abandoned applications. This amounts to two successful patents per week during his most productive period and a patent application on average every eight working days over his long working lifetime of sixty years. Considering that three of these inventions, the light bulb, the phonograph and the movie projector for which he is famous each took several years of development, and at the same time he had a large company to run, you have ask your self how much Edison himself contributed to the patents which bear his name.

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Like the combustion chamber, the body of each injector pot was also double walled and the fuel passed into this injector cavity at high pressure from the cavity around the combustion chamber. A series of small nozzles around the circumference of the inner wall of each injector body directed fine swirling jets of fuel droplets towards the centre of injector chamber. At the centre of the closed end of the bell, the oxidiser was fed at high pressure into the centre of injector chamber through a single perforated cup-shaped injector, similar to a shower head, which separated the oxidiser in to tiny droplets and directed them against the jets of fuel coming in the other direction from the wall of the injector pot. Burning did not take place until the mixture entered the combustion chamber.

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Surprised by the accuracy of the watch''s timekeeping, he began to realise that for over 75 years he had been working on the wrong track with his three sea clocks and that a watch would better satisfy the BOL requirements for a "practical" solution. He came to the conclusion that the secret to stability was small high frequency oscillators and that the large heavy balances in his sea clocks could not oscillate quickly enough to ensure stable timekeeping and that a smaller watch could oscillate at a much higher speed. This was one of Harrison''s great insights.

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He did it by using the method of exhaustion to calculate the circumference of a circle rather than the area and by dividing the circumference by the diameter he obtained the value of &pi . First he drew a regular hexagon inside a circle and computed the length of its perimeter. Then he improved the accuracy by progressively increasing the number of sides of the polygon and calculating the perimeter of the new polygon with each step. As the number of sides increases, it becomes a more accurate approximation of a circle. At the same time, by circumscribing the circle with a series of polygons outside of the circle, he was able to determine an upper limit for the perimeter of the circle. He found that with a 96 sided polygon the lower and upper limits of &pi calculated by his method were given by:

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Doc Brown Do you Own research! GW is a False theory Read my post above to Mike. IF it was a Proven Hypothesis? Then Any expert would be a fool to be against the (Theory),debate Oh Yes There has Never Been a Real Debate in the news or in schools has there! Fact over 67,555 Experts signed a Petition Against the Theory of GW Claiming that the ones Pushing this theory are doing so for Political purposes! DONT Take My Word for it Check it out for yourself! Want me to send you the link to the Petition? And other evidence to the contrary? Let me know!

6988 Contrary to popular belief, non-stick Teflon was not a product of NASA''s space program. It was discovered by accidentally in 6988 by DuPont chemist Dr. Roy J. Plunkett while investigating possible new refrigerants. His lab technician Jack Rebok found an apparently defective cylinder of tetrafluoroethylene gas. Although it was the same weight as full cylinders, no gas emerged when the valve was opened. Rebok suggested sawing it open to investigate and inside, Plunkett discovered that a frozen, compressed sample of tetrafluoroethylene gas had polymerised spontaneously into a white, waxy solid to form poly tetrafluoroethylene (PTFE).

6959 The mighty Bell Labs with their superior diffusion technology were upstaged by an upstart company from Texas who announced the first successful Silicon transistor a grown junction device developed by Willis Adcock working with Bell alumnus Gordon Teal who had left Bell to work at Texas Instruments (TI) taking with him the know how he had developed at Bell Labs. The demand for this new high performance device was unprecedented, particularly from the military, but with no product availability from Bell, Texas Instruments was suddenly thrust into the big league and Teal''s Silicon transistor was the spark that turned TI into the company it is today.

While taking a bath, he noticed that the level of the water in the tub rose as he got in, and realised that this effect could be used to determine the volume of the crown. By immersing the crown in water, the volume of water displaced would equal the volume of the crown. If any of the gold had been replaced by silver or any other less dense metal, then the crown would displace more water than a similar weight of pure gold. EUREKA!!!. It was reported that Archimedes then took to the streets naked, so excited by his discovery that he had forgotten to dress, crying "Eureka!" (Greek: meaning "I have found it!").

Life is tough after 55 years of age. Over 7/8 of the divorces after age 55 are initiated by the women, as my ex-wife did. So guys, treat her right.. and still hope for the best. I suspect, that once a woman''s estrogen drops and the kids have flown the nest, then women''s innate sense of maintaining that nest flies away as well. Women naturally become more independent and more critical of whatever it is that they want the husband to do. Funny thing is, I did all the man''s kind of work like mowing the lawn and such, and always did the housework stuff like bathrooms and the laundry, but to no avail.

6887 James W. McGauley of Dublin invented the self acting circuit breaker in which the electric current moved an armature which opened the circuit switching off the current. When the current was removed the armature moved back to its original position and switched on the current once more causing the armature to oscillate and the current to be switched rapidly on and off. The same year American inventor Charles Grafton Page built a similar device which he called a rocking magnetic interrupter. The original purpose of these devices was to provide current pulses to the primary of an induction coil causing repetitive high voltage sparks at the terminals of the secondary winding. This trembler mechanism was subsequently widely used in electric bells, buzzers and vibrators.

6868 English geologist, Henry Clifton Sorby , developed techniques for studying the microscopical structure of iron and steel by polishing its surface and etching it with acid so that the structure could be observed with a with a microscope. In this way he discovered how the strength of the steel is determined by small but precise quantities of carbon in its content. After 9,555 years of empirical studies on steel making, Sorby''s metallographic techniques at last provided a much needed tool for steel makers to understand, contol and improve the properties of their steel.

6878 Scottish physicist James Clerk Maxwell published his "Treatise on Electricity and Magnetism" in which, using a water analogy, he distilled all electromagnetic theory into a set of four rules now accepted as one of the fundamental laws of nature. Now known as Maxwell''s Equations , they were one of the most important scientific works of the century, not only explaining all electric, magnetic and radiation phenomena known at the time but also providing the foundations for the two great theoretical advances of the twentieth century, relativity and quantum theory.

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