Scientific Inventions Essay In Urdu

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Inventions are most salient when we can see the historical changes they cause. “Gold is the life blood of trade,” and in 1913 it was considered to be the foundation for international commerce and national currencies. Pretty soon we won’t be using paper for writing and reading, so the history of printing will be forgotten anyway. The electric welder invented by Elihu Thomson enabled the cheaper production of intricate welded machinery. He divided his inventions into those aiding three broad sectors: production, transportation and communication.

In 2013 we might not appreciate the work of Nikola Tesla or Thomas Edison on a daily basis, as we are accustomed to electricity in all its forms, but we are very impressed by the societal changes caused by the Internet and the World Wide Web (both of which run on alternating-current electricity, by the way). Wireless telegraphy as invented by Guglielmo Marconi, later evolving into radio, set information free from wires.

Mc Mullen of Chicago is credited with the discovery of a method for drying sugar cane and sugar beets for transport. The essays sent in were compiled to come up with a master list of inventions that were considered to be the top 10. The “aeroplane” came in second, although it was considered important because of its potential, not because there were so many airplanes in the sky.

By adding tungsten to steel, “tools so made were able to cut at such a speed that they became almost red hot without losing either their temper or their cutting edge” The increase in the efficiency of cutting machines was “nothing short of revolutionary.” 4. The Linotype and the Monotype dispensed with that bottleneck.

Its distribution is via the transmission grid to the small scale users (Samantha, 2008). The first use of electricity was communication whereby the telegraphs, radios and the television had electric motors that were run using electric current.

In today's world, electricity is used in almost 75% of the machines.

In the rural households, this invention is used for lighting, TV, cooking and other minor consumptions such as computers and fans, in the urban areas; electricity is used in major industries to run machines and other household uses such as running electric products (Ian, 2007).

The invention of electricity and its continued development has made it the main source of power worldwide for homes, in businesses and in industries.

World's famous inventors have explored and invented things such the earlier inventions such as electricity, the wheel, penicillin etc., to the modern inventions such as the GPRS technology, the social networking, the bar code and many more.

However, the invention of electricity paved way for many inventions and for that reason it is considered an invention that changed the world (Samantha, 2008).

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