<em>I GOT THIS FROM A SITE CALLED http://www.preservearticles.com/201104306064/short-essay-on-telephone.html </em>Modern man enjoys a number of wonderful gifts of science. The telephone is one of them. It is the quickest means of conveying messages from one place to another. After the invention of this instrument, man has conquered time and space.
The telephone was invented by Graham Bell. The mechanical device of telephone is very simple. In every telephone set there is a transmitter and a receiver. The transmitter sends the voice of the speaker to the listener.
The receiver receives the voice of the speaker. The two telephone sets are connected by wires. If the wires are detached anywhere, the communication is hampered. Nowadays, the use of wires has been replaced by the microwave telephone system. Mobile telephone is the latest development of the telephone system.
The telephone is very useful. It helps all kinds of people beginning from merchants to doctors and lawyers. The latest information about the price and stock of the commodity in market can be available through telephone.
Monopoly in business can be checked. Price can be controlled. The police have telephones in their offices and houses. They receive immediate information about any crime or criminal. They keep contacts, with different police stations in order to catch a culprit. The telephone set is very helpful in the Fire Brigade Office. As soon as information about a fire accident reaches this office through telephone, the fire brigade runs to the accident spot and checks fire.
Now-a-days, the telephone has widely spread. This facility has been extended to the villages. There was a time when the telephone set-was regarded as a sign of aristocracy. But today it has become a necessary object in every family. If the members of a family are staying in different places they can sit at their tea-time and talk with. Each other through telephone. It seems then. That the family members are staying together at one peace.
At present, computerised STD facility has improved a lot. Every place in the country and abroad is contacted through a code number. Different places have different code numbers. Computerisation of telephone has simplified the system a lot.
1. The dogs in my neighbour’s yard started barking.
2. The teacher asked the students in the back row of the classroom to please be quiet.
1 What team you like best reveals a lot about your personality.2 You can easily see the strategies that teams use.3 It is fast-moving, and something is always happening.<span>4 Watching players dunk the ball can be very exciting</span>
Because Williams <em>believes that NASA can make the impossible possible.
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<h2>Further explanation
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The trip to Mars is a mission planned by NASA in 2020. The mission is about how humans learn about life and the worthiness of life on Mars.
The National Aeronautics and Space Administration(NASA) is a government agency owned by the United States of America responsible for the US space program and general long-term space research.
NASA's strategic objectives since 2011:
- Expanding and maintaining human activities throughout the solar system
- Broadening scientific understanding of the Earth and universe
- Creating new technological space innovations
- Advanced aeronautical research
- Activating the program and the ability of institutions to carry out outreach and aeronautical activities
- Sharing knowledge with educators and students to provide opportunities to participate.
Learn more
- about human travel to mars brainly.com/question/12510018
- about NASA or space brainly.com/question/1316347
Details
Class: Middle School
Subject: English
Keywords: Space, Williams, NASA, Travel to Mars
The country has many impoverished communities.
The archaeologist unearthed many ancient fossils.
