Небольшой реферат на 20-30 предложений. тема: изобретения лампочки.

Hard to imagine a modern man that just with a little light bulbs years ago in our life take its first steps .believe that a simple light bulb invented not one, not two , or even three, and thirteen scientists, is difficult. but it's actually true. and the reason for that is simple : the fact that the first patented the incandescent lamp , and that lamp , which we use in our day , share exactly 100 years of continuous improvement , held a variety of inventors from around the world . and each of them has contributed to the history of the invention simple household light bulbs. so to answer the question : who invented the light bulb , alas , will not work .starting the conversion of electrical energy into light on the experience of the scientist vasily petrov , the phenomenon of a voltaic arc in 1803godu . in 1810, the same discovery by english physicist devi. both of them got voltaic arc , using a large battery of elements between the ends of the rod of charcoal.in 1875 pavel yablochkov offered a reliable and simple solution for arc lamps . it is located parallel to the carbon electrodes , separated by an insulating layer . the invention was a huge success. in 1877, with their help was first arranged street electricity on avenue de l `opera in paris.and so it lasted a long time. different scholars have perfected the light bulb. the last stage was the use of light bulbs improvements noble inert gases (eg argon) to fill the cavity of the lamp. thanks to this innovation , proposed by irving langmuir , modern light bulbs are not only bright, but also durable .

1. a: will bill come out of prison next year? b: no, he won’t. he is going to appeal against the sentence and come out early. 2. a: will mary marry john next year? b: no, she won’t. she is going to work in madrid for two years before marriage. 3. a: will jack stay with his wife? b: no, he won’t. he is going to break up with her. 4. a: will you cook dinner today? b:   no, i won’t. i’m going to visit my parents today. 5. a: will your husband take the children from school? b: no, he won’t. he are going to go to football with his friends.

Hearing a loud noise, we were shocked to move. participle the driver was seriously injured during the accident and is now fighting for his life. participle she ruined her sight by playing computer games. gerund they saw a boy in the park standing on his head. participle speaking is a whole lot easier than doing. gerund screaming the names of participants, the audience cheered the runners. participle smoking in public places is forbidden. gerund jumping over the fence, the burglars managed to escape from the prison. participle nobody was surprised at john being absent. gerund they wasted their money on buying useless things. gerund swimming is popular form of keeping one’s body fit. gerund michael was angry at jill for trying to fool him. gerund the boy entered the room smiling. participle aren’t you afraid of telling the truth? gerund singing to herself in a shower is something that makes her life wonderful. gerund