12/14/2023 0 Comments Age of wonders 3 best machine class![]() With the introduction of long-distance telephone calls through STD, ISD and PCO (Subscriber Trunk Dialing, International Subscriber Dialing & Public Call Office ) Calls. A mobile phone is an excellent service for men. ![]() He has reached other planets with the help of rockets Science (राॅकेट विज्ञान) has given us many new means of communication such as mobile, telephone, wireless, internet etc. ![]() A man can reach any part of the world within Second. Means of Transport & Communications – Trains, Buses, cars & airplanes have made our travel easier, comfortable, & quicker. Modern life is impossible without these scientific inventions. Electricity is the greatest invention of science. Many scientific inventions have made our life very comfortable. Modern life is impossible without electricity. Electricity cools & keeps our house warm. Electricity is the greatest invention of man,” It serves us in hundreds & thousands of ways it runs our trains, Mills & factories. Scientific Inventions – Scientist have invented several things & machines big & small through the observation (अवलोकन) of very simple events water boiling in a cattle has given us the idea of railway engine ,falling of an apple from a tree has helped Newton to discover the law of gravity. Science is nothing but a systematic ( व्यवस्थित )way of knowledge & living. By observation of simple events, man has invented great things. Science plays an important role in our daily life. It has made our life easier & comfortable (आसान एवं आरामदायक). Note All Difficult Word Highlighted Bold. Wonders of Science Essay 2020-21 in English 500 words ![]()
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