Clothing:
At the beginning, clothes were made of wool, flax, silk and cotton fiber. Today is much improving and changing the structure and quality of the clothes. Polyester and nylon clothes are, for example, crease resistant. Clothing made from asbestos are refractory and clothing made of plastic are water resistant. All of these are used in modern times.
Clothes are used only to protect the body against variations in weather, but to improve our look. Clothes to the icon of our civilization.
Transport:
Use of animals or on foot were the only means in old days, were transported to and from one place to travel. Carts, Bullock carts and horse-drawn carriage were used after the invention of the wheels.
Today, aircraft aero with inventions in science, two wheels, three wheels, cars, buses, trucks, u-Bahn trains, and ships are used for the transport.
Trams serve as transport, even today in India. The first metro train service in our country began in Kolkata.
Kirk Patric Scottish blacksmith developed the bicycle, the poor man vehicle in 1839. Bicycles are used by people in many countries. A bicycle is a light transport vehicle and needs no fuel.
Communication:
Long ago, man was itself as a means of communication. He used to go from one place to another or traveled on animals to deliver messages. Post Department, phone, E-mail, fax, courier, websites and mobile phone are used today.
Radio:
Radio channels are broadcast using waves. Radio signals can travel by air and vacuum. As soon as it used take months for messages from one place to another travel. Messages reach today, different parts of the world almost simultaneously with the help of artificial satellites.
Phone:
We communicate through the medium of language. Remote communication was possible due to the revolutionary invention of the telephone. Now can we select directly and contact people over the world with STD (subscriber trunk choose) and ISD (International subscribers dial).
Television:
People spend most of their free time on television sets. Television is one of the most important inventions of the twentieth century. Programs on all over the world can be displayed in the comfort of your own home. It is a powerful medium.
Computer:
Computer is the most recent medium of communication. Exchange of messages or calls are made possible by computer from a part of the world to another part. The revolutionized the world of confidential messages can communication via E-mail, websites, etc. send also be fast. Computer is an electronic instrument, known for his speed, accuracy, consistency and storage of information.
