爱迪生发明英语作文
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Edison inventing the light bulb did not 1500 many experiments to find suitable lamp filament material, it was ridiculed, he said: "Mr. Edison, you have failed in 1500 many times." Edison replied: "No I have not failed, I have done is found in more than 1500 kinds of materials are not suitable for the filament lamp. "After further testing, Edison found that the Japanese use bamboo charcoal for the best filament. Until 1906, Edison has to do to switch to tungsten, so that the quality has improved light bulb, has been in use to this day.
爱迪生发明英语作文篇2I think the most important modern invention is the Internet. With the Internet, we can do many things. For example, we can shop, learn knowledge, listen to music, and watch movies online. The Internet makes the world smaller. We can meet and talk to friends and relatives far away without spending a lot of money. We can also post our blogs online so our friends can know what we are doing by visiting our websites like QQ Space. Internet makes our life more exciting and easier.
爱迪生发明英语作文篇3The Greatest Invention
Some articles hold the opinions that the greatest invention in the world is electricity,while the others believe computers are unreplaced in modern society.I read and read,suddenly an idea struke me:The greatest invention are just books.
A famous person has ever said:"Books are the best teachers."Exactly!That's what I would like to say the long history of human being,books have playde an important part in communicating even today,the situation is still so year,millions of books are published in the ledge changs our a knowledged person want to express some new idea,probably he wiil choose to write a the other hand,the best way to broaden our horizens is reading books.
Secondly,as I have been puzzled,books provedes you with different you make your decision to choose anyone that fit otherwise,you may choose none of them,just like me ,instead of obeying books' advise.I choose "books" as the greatest invention in my ,don't you think it's a little interesting?Books are honored as teachers without how are books different from our real teachers?I think the fact is that,if a real teacher advises me to choose electricity or computer as my topic today,and every one you can imagine,how much brave I will prepare to don't you think books are better tempered and better get alongde than our real teachers?
爱迪生(Thomas Edison)
I think 1847 is unusual,because Thomas Edison was born this you know him?He is one of the most famous persons all around the his birthday is November started to go to school at the age of 8.
He sold newspapers on a train in he began working early,he left home to work in different cities when he was only 18 years 1869,he moved to New York to become an inventor.
I think he is very creative,because he could have 1903 inventions from 1868 to is a talented inventor,isn't he?
爱迪生发明英语作文篇4In the early nineteenth century, people began to use gas (gaslight), but the gas pipeline supply by a leak or blockage, very easy to have an accident, people for illumination of reform, very fact, Edison for himself set the mission impossible: in addition to improve lighting, but also of Thomas Edison electric light Create a set of power supply he and the dream LuoYuan buddies, sleepless do 1600 repeatedly heat-resistant material and more than 600 plant fiber experiment, only produced the first carbon wire bulb, can a burning 45 r he more on this basis, the method of continuous improvement manufacture can ignite 12 hours finally came out with the ZhuSi 19th century the 1980s, Edison electric light career succeeded, this success than any previous achievements brought him the 1980s, before he had little mistake, intermediate later, although he has made great achievements, but also common occurance of on's most not commendable actions is one of his criticism alternating current, say it has side effects, likely cause of death and injury, but he did not add somebody said, "as he such a mess out many inventions that people about others' new invention saurday attack, this is very contradictory things." He opposes the use of alternating current and direct current, so the approve a fierce debate and stubborn in this respect, reflects the Edison became a celebrity after the stubbornness of started to foster old-fashioned shortcomings.
19世纪初，人们开始使用煤气灯(瓦斯灯)，但是煤气靠管道供给，一但漏气或堵塞，非常容易出事，人们对于照明的改革，十分殷切。事实上，爱迪生为自己订定了一个不可能的任务：除了改良照明之外，还要爱迪生发明的电灯创造一套供电的系统。于是他和梦罗园的伙伴们，不眠不休的做了1600多次耐热材料和600多种植物纤维的实验，才制造出第一个炭丝灯泡，可以一次燃烧45个钟头。后来他更在这基础上不断改良制造的方法，终于推出可以点燃1200小时的竹丝灯泡。19世纪80年代中期，爱迪生的电灯事业获得了成功，这一成功比以往任何成就给他带来的声誉都大。在80年代中期以前，他很少有失误，中期以后，尽管他也取得了很大成就，但失败也是屡见不鲜的。爱迪生最不值得称赞的行为之一就是他批
批评交流电，说它有副作用，可能造成死亡与损伤，但他未加具体说明。所以有人说，“像他这样一个自己搞出了许多发明创造的人竟然对别人的新发明大加攻击，这是很矛盾的事。” 他反对使用交流电而赞成直流电，因而在一场激烈而固执的论战中败北。在这方面，反映出了爱迪生成为名人之后渐渐滋生的顽固守旧的缺点。
