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愛迪生發(fā)明電燈的時間的故事英文
Thomas Edison and Benjamin Franklin lived fm to. His most famous invention of light bulb was Benjamin Franklin's bulb fm to. He discovered electc ener.
Both of them were inventors. They were born in the United States and were Franklin's children. Edison received limited education according to It is said that the o inventors were self-tght, mainly becse of their love of reading.
Both Franklin and Edison are interested in inductance. I think if they meet, they will have a lot to talk about. They are also different.
Although they live in very different times, Benjamin Franklin discovered electcity. Edison's invention and discovery all need electc crent: light bulb, micphone, phonograph, fluorescent r and so on. Many people beli that the earth is flat Disk, as early as many years ago, ancient Greek philosophers put forward o good arguments to pve that it is not a direct observation of celestial bodies.
This is the basis of these o arguments. First of all, the Greeks knew that dung an eclipse, the earth was beeen the sun and the moon. They found that dung the eclipse, the shadow of the earth on the moon was always und.
They realized that only the earth was sphecal The earth is a flat disk, this is true, then the eclipse of its shadow is not a perfect circle, it will extend into a long ellipse. The second argument is based on what the Greeks saw dung their joney. They noticed that when they traveled south, Polas or Polas appeared at a lower position in the sky.
In their view, Polas is the north star. By the way, becse of the obvious position difference of Polas, the Greeks calculated the appximate distance of the circumference of the earth for the first time, according to the ancient literate The number is stadium, which is the plal number of stadiums in the world today. The exact len of a stadium is not known yet, but assuming that it is about meters, the len of many stadiums will make the Greek estimate ice the number accepted today, which is a very good estimate for those who wte long before the invention of the first telescope.
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