关于科学的英语文章 关于科学家的英语作文
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One of the most famous and prolific inventors of all time, Thomas Alva Edison exerted a tremendous influence on modern life.
Contributing inventions such as the incandescent light bulb, the phonograph, and the motion picture camera, as well as improving the telegraph and telephone.
In his 84 years, he acquired an astounding 1,093 patents. Aside from being an inventor, Edison also managed to become a successful manufacturer and businessman, marketing his inventions to the public.
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Thomas Edison and Benjamin Franklin
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Thomas Edison lived from 1847 to 1931; he is most famous for inventing the light bulb. Benjamin Franklin lived from 1706 to 1790, and he is credited with discovering electricity.
Both men were inventors, and both were born in the United States. As children, both Franklin and Edison had limited schooling.
Both inventors are said to have self-taught themselves mostly through their love of reading.
Franklin and Edison were both interested in electricity, and I think they would have had a lot to talk about if they had ever met face-to-face.
They were different too though. They lived in very different times. While Benjamin Franklin discovered electricity. Edison\u2018s inventions and discoveries all required electrical currents: light bulbs, microphones, phonographs, fluoroscopes, etc.
Phonograph - History
The first great invention developed by Edison in Menlo Park was the tin foil phonograph. While working to improve the efficiency of a telegraph transmitter, he noted that the tape of the machine gave off a noise resembling spoken words when played at a high speed. This caused him to wonder if he could record a telephone message. He began experimenting with the diaphragm of a telephone receiver by attaching a needle to it. He reasoned that the needle could prick paper tape to record a message. His experiments led him to try a stylus on a tinfoil cylinder, which, to his great surprise, played back the short message he recorded, "Mary had a little lamb."
The word phonograph was the trade name for Edison's device, which played cylinders rather than discs. The machine had two needles: one for recording and one for playback. When you spoke into the mouthpiece, the sound vibrations of your voice would be indented onto the cylinder by the recording needle. This cylinder phonograph was the first machine that could record and reproduce sound created a sensation and brought Edison international fame.
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Electricity and Lightbulb - History
Thomas Edison's greatest challenge was the development of a practical incandescent, electric light. Contrary to popular belief, he didn't "invent" the lightbulb, but rather he improved upon a 50-year-old idea. In 1879, using lower current electricity, a small carbonized filament, and an improved vacuum inside the globe, he was able to produce a reliable, long-lasting source of light. The idea of electric lighting was not new, and a number of people had worked on, and even developed forms of electric lighting. But up to that time, nothing had been developed that was remotely practical for home use. Edison's eventual achievement was inventing not just an incandescent electric light, but also an electric lighting system that contained all the elements necessary to make the incandescent light practical, safe, and economical. After one and a half years of work, success was achieved when an incandescent lamp with a filament of carbonized sewing thread burned for thirteen and a half hours.
There are a couple of other interesting things about the invention of the light bulb: While most of the attention was on the discovery of the right kind of filament that would work, Edison actually had to invent a total of seven system elements that were critical to the practical application of electric lights as an alternative to the gas lights that were prevalent in that day.
These were the development of:
1.the parallel circuit,
2.a durable light bulb,
3.an improved dynamo,
4.the underground conductor network,
5.the devices for maintaining constant voltage,
6.safety fuses and insulating materials, and
7.light sockets with on-off switches.
Before Edison could make his millions, every one of these elements had to be invented and then, through careful trial and error, developed into practical, reproducible components. The first public demonstration of the Thomas Edison's incandescent lighting system was in December 1879, when the Menlo Park laboratory complex was electrically lighted. Edison spent the next several years creating the electric industry.
The modern electric utility industry began in the 1880s. It evolved from gas and electric carbon-arc commercial and street lighting systems. On September 4, 1882, the first commercial power station, located on Pearl Street in lower Manhattan, went into operation providing light and electricity power to customers in a one square mile area; the electric age had begun. Thomas Edison's Pearl Street electricity generating station introduced four key elements of a modern electric utility system. It featured reliable central generation, efficient distribution, a successful end use (in 1882, the light bulb), and a competitive price. A model of efficiency for its time, Pearl Street used one-third the fuel of its predecessors, burning about 10 pounds of coal per kilowatt hour, a "heat rate" equivalent of about 138,000 Btu per kilowatt hour. Initially the Pearl Street utility served 59 customers for about 24 cents per kilowatt hour. In the late 1880s, power demand for electric motors brought the industry from mainly nighttime lighting to 24-hour service and dramatically raised electricity demand for transportation and industry needs. By the end of the 1880s, small central stations dotted many U.S. cities; each was limited to a few blocks area because of transmission inefficiencies of direct current (dc).
The success of his electric light brought Thomas Edison to new heights of fame and wealth, as electricity spread around the world. His various electric companies continued to grow until in 1889 they were brought together to form Edison General Electric. Despite the use of Edison in the company title however, he never controlled this company. The tremendous amount of capital needed to develop the incandescent lighting industry had necessitated the involvement of investment bankers such as J.P. Morgan. When Edison General Electric merged with its leading competitor Thompson-Houston in 1892, Edison was dropped from the name, and the company became simply General Electric.
前面是爱迪生的留声机，后面是灯泡
给你提供个网址，里面随便你选http://inventors.about.com/
True science hero
-爱因斯坦
"Peace cannot be achieved through violence, it can only be attained through understanding." Albert Einstein
“靠暴力不会得到和平，只能靠相互理解”-爱因斯坦
Albert Einstein is a true science hero, not only because of his genius and physics theories, but also because of his philosophy and compassion for the universe and its creatures.
爱因斯坦是科学英雄，不仅表现在物理学上，更在於他对宇宙万物的同情和哲理上。。
Einstein's groundwork in physics made possible technology as we know it today, from the space shuttle to the Internet we're using right now.
我们今天享受爱因斯坦的理论成果，从宇宙飞船到网络。。。
It may also be said that his work led to the development of nuclear warfare.
Einstein once said: “I made one mistake in my life when I signed that letter to President Roosevelt advocating that the atomic bomb should be built. ......"
Einstein himself is a peaceful man.
有人说他导致了核武器的产生。。
爱因斯坦曾经说过，‘我一生最大的错误就是提出核武建议。。“
爱因斯坦本人是个爱和平的人。
On April 18, 1955, Albert Einstein, one of the greatest natural philosophers of all time, died, leaving behind a legacy of thought-provoking scientific theories.
1955年4月18日，伟大的科学英雄，人类跨时代的伟大的自然哲学家，永别人世！！！
Everything about Einstein,
his smile,他的笑容
his voice,声音
quotes and 格言
his passion,热情
still exist in my mind!
始终存在于我的脑海之中！！！！
Science is both a body of knowledge and a process. In school, science may sometimes seem like a collection of isolated and static facts listed in a textbook, but that's only a small part of the story. Just as importantly, science is also a process of discovery that allows us to link isolated facts into coherent and comprehensive understandings of the natural world.
Science is exciting. Science is a way of discovering what's in the universe and how those things work today, how they worked in the past, and how they are likely to work in the future. Scientists are motivated by the thrill of seeing or figuring out something that no one has before
The development of science and technology makes our life more comfortable and convenient. However, scientists have created many problems, which are not easy to be resolved, such as air pollution, the deterioration of environment and the scarcity of natural resources, to which we must some solutions.
Modern science and technology render people many advantages. Modern telecommunication shortens the distance between people and makes communication much easier. Internet is widely used now not only for collection of abundant information but also for correspondence. Email, the most effective communication device now, is becoming very popular. Besides, telephone and mobile phone make contact more convenient than before.
Modern transportation, such as airplanes and high-speed trains make our journey smooth and fast. With the help of modern transportation, people can go everywhere they prefer to. The journey to outer space and other planets is not a dream any more. Rockets and space shuttles can help us realize the dream of space travel.
Modern medicine prolongs peoples life and relieves patients of sufferings from many diseases. Cancer and AIDS are fatal to peoples health. Thanks to the endeavors scientists have made, these diseases become treatable.
However, the process of scientific development also arouses many sever problems to our human beings. Internet, though widely used in modern communication, is easy to be destroyed by computer virus. Outer space exploration has produced much waste in the space. A tiny metal, a screw, for example can destroy a flying man-made satellite. Industrialization is making natural resources become scarce.
Confronted with these problems, scientists are seeking prompt and feasible solutions. The development of science and technology bring about both positive and negative effects to us. We must eliminate the positive effects to the least extent.
可以自己删减
在提供一篇翻译的：
现代科技使生活更加便捷(Modern Technology Makes Life More Convenient)
Modern technology makes life more convenient; tools are the milestores of the technology as well as human being’ s progress.
Men used to cut trees with hand saw. But now, by using electronic saw they can cut down a tree in only a few minutes. Another example is more vivid: You have something urgent which has to be informed to your friend whose house is two hour’s ride away. You probably want to make a phone call. But no telephone is installed in your friend’ s home. What could you do? Nowadays, with modern technology advanting, using internet is popular with us. Some years ago, people had to get what they wanted through looking into a lot of information; at last people could become tired and spent too much time. Now, if you use Internet, all becomes a piece of cake. Only by clucking, you will gain what you expect.
We all hope that modern technology will reach a higher level, because modern technology makes life more convenient indeed.
[参考译文]
现代科技使生活更加便捷
现代科技使生活更加便捷；工具是科技进步和人类进步的里程碑。人类过去用手锯锯树，但是现在，用电锯可在几分钟内锯倒一棵树。另外一个例子更加生动形象：如果你有急事通知你的朋友，而他家距你家有2小时的路程，你可能想打个电话。但是你的朋友家又没安电话，你该怎么办?如今，随着现代科技的进步，使用网络已很流行。若干年前，人们不得不查找大量资料来搜集需要的信息，最后人累得疲惫不堪，还浪费了大量时间。现在，如果使用网络，一切就都是小菜一碟了。只要轻敲键盘，就会有求必应。
我们都期待着现代科技能达到一个更高的水平，因为现代科技确实使生活变得更便捷。
Science and technology have changed our life thoroughly throughout the history, especially in the last century. There is a prevailing understanding about science and technology among the general public that they are the same thing of two different names but they are acutally two things. Science is kind of series of theorrtical concepts and people can accept it or not, and it will not affect commom people's life to a large extent, but it's a different way when it comes to technology because technology has more pratical effect on people. People have to endure the results of the pactical applicance of technology whether they are good or not, such as the air pollution, and it all happens without people's acceptance, for it all depends on the local governments' or even the nations' decision.
人工翻译 希望满意~
已发
绛旓細Scientistsqualitytobecome an outstandingscientisthas quality,must first beto be curious,for the naturalcuriosity,curiosityfor thegeneral.According to thescientistsIknow,theyare very curiousforeverything.Theywant to know aboutthe law of things,they haveto see thingsis the most essentialone's ...
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绛旓細鑻辨枃浣滄枃浼熷ぇ鐨绉戝瀹讹細One of the most famous and prolific inventors of all time, Thomas Alva Edison exerted a tremendous influence on modern life.Contributing inventions such as the incandescent light bulb, the phonograph, and the motion picture camera, as well as improving the ...
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绛旓細鎽樿锛氬鍖栫煶鐨勬繁鍏ュ垎鏋愪娇鐜颁唬浜虹殑鍘嗗彶鍙互杩芥函鍒19.5涓囧勾浠ュ墠銆俁esearchers determined that the specimens are around 195,000 years old.瀵瑰寲鐭崇殑娣卞叆鍒嗘瀽浣跨幇浠ｄ汉鐨勫巻鍙插彲浠ヨ拷婧埌19.5涓囧勾浠ュ墠銆傞氳繃瀵1967骞翠簬闈炴床鍩冨淇勬瘮浜氬嚭鍦熺殑浜虹被楠ㄩ鍖栫煶杩涜鏂颁竴杞殑鍒嗘瀽鐮旂┒锛绉戝瀹舵棩鍓嶇‘瀹氾紝杩欎簺鍖栫煶鐨勫巻鍙叉瘮...
绛旓細Science,as the basis for the development of contemporary society,is actually a double-edged sword which can be either beneficial or detrimental to human society.It is obvious that we can not live so happily and conveniently without scientific contributions.Science has pervaded every aspect...
绛旓細Phonograph - History The first great invention developed by Edison in Menlo Park was the tin foil phonograph. While working to improve the efficiency of a telegraph transmitter, he noted that the tape of the machine gave off a noise resembling spoken words when played at a high ...
绛旓細China has a very long and brilliant history, whose people are so friendly and hospitable. But I am wondering why some people pay such little attention to the environment and nature. In many places of the countryside, rivers have become stinking sewers and brooks have disappeared. ...
