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cheap Canada Goose First, why “general”? It distinguishes it from canada goose jacket uk Einstein’s “special” theory of relativity, proposed in 1905, which focused on motions with constant speeds. The canada goose outlet paypal special canada goose coats uk theory revolutionized canada goose outlet uk our views of space, time and matter. Einstein showed that our perception of reality is myopic, distorted due to our sluggishness; could we perceive motions with speeds close to the speed of light (186,000 miles per second), we would see objects shrinking in the direction of their motion, clocks slowing down, and masses increasing with speed. These weird effects are all around us, but imperceptible for the speeds we are used to. (Consider this: If you blink your eye, light goes about 7 1/2 times around the Earth.) They are routinely observed in high energy physics, where subatomic particles collide with speeds close to the speed of light. Even a GPS corrects for relativistic effects: The satellites that provide us the service move fast enough in their orbits to justify the small correction for improved accuracy. (They also use general relativistic effects due to Earth’s curving of space around it.) cheap Canada Goose

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buy canada goose jacket cheap Einstein struggled to get his theory right; the math was really hard. At the time, the Theory of Gravity was due to Isaac Newton, who figured that gravity could be described as a force that fell with the square of the distance. Newton assumed gravity was instantaneous and that it acted buy canada goose uk across space like a ghost. Although mysterious, the theory worked really well, for must purposes. Einstein proposed something completely different. Instead of an action at a distance, gravity was due to the curvature of space around an object: The more massive the object the more curved the space around canada goose jacket outlet it. It’s like when you sit on a mattress: canada goose jacket outlet sale Close to you, the mattress gets deformed, and it will get more deformed the heavier you are. If you now canada goose outlet store uk picture space as the mattress (you need to add an extra dimension, as the surface of the mattress is two dimensional and we live in three dimensions) you see what Einstein imagined. buy canada goose jacket cheap

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Canada Goose sale Being a physicist, Einstein knew that his wild idea would only be taken seriously if he could canada goose outlet black friday provide real world examples where the new effects could canada goose outlet parka be verified. Testability, the core of the physical sciences! He proposed three tests of his new theory. One was a correction to the orbit of Mercury, which precessed mysteriously around the sun like a wobbling top. Newtonian theory couldn’t get the numbers right, but Einstein, using the idea that Mercury felt canada goose jacket outlet uk the curvature of space around the sun, got it right. Another effect was the bending of starlight as it passed near the sun. In 1919, astronomers set off to the western coast of Africa and to the city of Sobral canada goose outlet vancouver in Brazil to measure the deviation of the light from stars during a solar eclipse. (This way they could compare the two situations, with the sun nearby, and far from, the path of the starlight). The results were convincing enough to validate Einstein’s theory. Newton’s theory was an canada goose outlet jackets approximation valid for weak gravity. In the new theory of gravity, the shape of space and the flow of time respond to the distribution of mass in the universe. Canada Goose sale

canada goose Within weeks of the announcement of the eclipse measurements, Einstein became a superstar. On Nov. 7, 1919, Londoners woke up http://www.canadagoosecanadaoutlet.com to dramatic headlines from canada goose outlet the Times: “Revolution in Science. New Theory of the Universe. Newtonian Ideas Overthrown.” Likewise, The New York Times reported three days later: “Lights All Askew in the Heavens; Men of Science More or Less Agog over Results of Eclipse Observations. Einstein canada goose parka uk Theory Triumphs. Stars Not Where They Seemed or Were Calculated to Be, but Nobody Need Worry.” The “worry” here presumably refers to the fear that the stars would fall on our heads. Indeed, there is no need to worry about that. Time magazine would elect Einstein “Person of the Century.” canada goose

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