Scientific Inventions Essay In Urdu

Scientific Inventions Essay In Urdu-54
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.

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.

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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.

Railway trains, motors vehicles, ships and aero planes are much faster means of travelling than the carts driven by oxen or the coaches or tongas driven by horses.

In olden times, people of one province of a country died from condition of famine, because on account of the slow means of travelling the food grains that were sent to that province from another surplus area could not reach in time. Fruit, cloth, machinery, tea, sugar and a hundred other things are sent from one part of the world to another without much difficulty and within the least possible time.

In every field of life the effect of the inventions of science can be seen.

Let us see what science has done in the field of travelling.A single machine is capable of doing more work than a thousand men.An electric crane can easily lift a load of a thousand kilograms.So science has much improved the means of transport and conveyance.In pre-science times, books could be purchased only by the rich people, as on account of their being written by hand, they were very costly.In history, many people have come up with several inventions in the aim of making the lives of human beings better and comfortable.As life continues, different inventions are changing at the same rate as the changing world. After tungsten replaced carbon in its filament, the lightbulb was considered “perfected.” As of 2013 they are being phased out worldwide in favor of compact fluorescent bulbs, which are four times as efficient. Bartlet, who each had a milestone on the road (pun intended) to successful automobile and bicycle tires. The bottleneck in the chain of production was composing the printing plates. Not yet in wide use as transportation in 1913, but “To [Samuel] Langley and to the Wright brothers must be awarded the chief honors in the attainment of mechanical flight.” In 2013 the annoying aspects of commercial airline flying make transportation by horse and buggy seem a viable alternative. Charles Duryea made one of the earliest commercially successful petrol-driven vehicles, starting in 1896. “What the track has done for the locomotive, the pneumatic tire has done for the vehicle not confined to tracks.” Credit is given to John Dunlop and William C. Marconi was given the credit for making wireless “commercially practical.” Dowe also makes a comment that could apply equally to the rise of the World Wide Web, stating that wireless was “devised to meet the needs of commerce primarily, but incidentally they have contributed to social intercourse.” 10. The giant rotary press was quite capable of churning out masses of printed material.Invention of electricity does not have a specific inventor but instead has a chain of inventors.However, Benjamin franklin is credited for discovering electricity in the 18 century.

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