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Why do people create and develop new technologies?
Most new technologies come from a basic need, in example have you ever said " There has to be a better/ easier way to do this ?" Our need to simplify, and make easier those tasks we do daily leads to the development of new technologies. All technologies were new at some time and all of them made life for their creators and those they shared them with easier. But then later someone thought of an even better way to accomplish the same thing and fulfill that need. This is the process of technological evolution and progress. Our earliest human ancestors about 200,000 years ago inherited their technologies from their prehuman ancestors. They continued using pretty much the same technologies until the end of the last ice age about 12,000 years ago, when climate change permitted the development of agricultural technologies and early civilization and the new technologies what went with that. Gradually technologies progressed through the late stone age, the copper age, the bronze age, and the iron age. Then about 1800 the industrial age began with an explosion in technological development far beyond that of anything before. Then about 1900 the electronics age began, then computers were developed in the 1940s and since then technological development jumped by a factor of thousands of times faster than even in the industrial age!
Why are railway tracks put down in summer?
Because during summer the weather is warmer and the metal rail lines will have expanded to their maximum length. If they were fixed rigidly in place during cold winter weather when they were later subjected to the heat of summer they would expand and buckle.
What does c you l8r g2g mean?
see you later
Did Ed McVaney create Java?
No, Ed McVaney was one of the founders of J.D. Edwards which was later bought by PeopleSoft which was later bought by Oracle.Java was created by James Gosling of Sun Microsystems (along with other Sun engineers). Sun was later bought by Oracle so there is a small connection.
Why do railway tracks have gaps in them?
Railway tracks have gaps to allow for expansion when the tracks heat up. As the tracks get hotter, they expand and get slightly larger. Without the gaps, the tracks would buckle from the force of the expansion. They have fishplates located between the joins to force the rails back into lateral alignment and thus prevent derailments.In modern continuously welded rail these gaps are often cut on a diagonal to prevent this misalignment. The thermal expansion and contraction of rail track is minimal and the forces push to the outside rather than along the rail.They are also there because segments of rail have traditionally been required to be removed and replaced easily and so had to be made a manageable length.Heat expands metal, to prevent buckling in the rails the tracks are in pieces with gaps. Another reason is in case of lighting strike the electric current can only travel as far as the first gap, this preventing electrical charge getting to a train car or electrical box.because the railway lines expand during the summer and by the friction of the train with it . if the gap is not kept the rail lines would expand and break. so to avoid the breaking of the rails the gap is keptThere is gaps between railways because during summer when the sun will heat the rail which is made of iron will obviously expand.After some calculation an approximate distance is left between them.After this answer you will ask but what in winter and how does the train pass on the gaps?So this gap is nothing for the train. It is left so that during expansion when the railways will expand the rail will not change direction.For e.g:-imagine when you take 2 drinking pipe and joint them together it will change direction or even damage.when heat is supplied to a substance or material it will expand.during summer the tracks get heated as a result it will expand. if gaps are not provided, that may result in the bending of tracks.Railway tracks have expansion joints to prevent them from warping when they expand during very hot weather. The metal on railway tracks can conduct a lot of heat during sunny periods.There are small gaps between the length of the railway track because when the temperature is hot the metal will expand and cause the train to crash. So if there is a gap between the length of the train tracks the metal wont join together and cause the train to crash. When the weather is hot have you ever noticed that the trains go slower? Thats just in case the metal joins together.A.thermal conductivityB.specific heatC.thermal expansionD.thermal insulationThe gaps are there to allow for the expansion (lengthening) of the rails in hot weather. Without any gaps, the rails would buckle and go out of alignment.
How do you think sumerian technology might had helped later empires to expand and to form?
technologies might help later on like the system in cuniform and on the rules and laws
How do you think Sumerian technologies might have helped later empire form and expand?
An eye for and eye
What technologies do later 20th century kites use?
what technologies do later 2oth century kites use
How were the African empires of kush and aksum different from later empires in Africa?
They adopted Egyptian culture.
Many people refer to the babylonians as a later development of the what culture?
Sumerian
Was Nineveh a city state in sumer?
No, it was north of Sumer which occupied what is now central to southern Iraq (Nineveh is in the north of what is now Iraq and is encroached on by present-day Mosul). Nineveh was part of the later empires or polities including Assyria and Metanni; but it may have been at one time inhabited by Sumerian people prior to the migration of Sumerian people to southern Iraq when Sumer was establihsed.
How two Sumerian accomplishments influenced later people?
They invented the wheel and irrigation
What was Universal Foods renamed?
It was later renamed Sensient Technologies Corp
What were the later Muslim empire?
The last Islamic Empires were the Mughal Empire and the Ottoman Sultanate.
What sumerian innovation did later civilizations built on?
they are i group of people of the same level of importance in ther society
Compare the three earliest empires the Neo-Assyrian and Persian and Zhou dynasty with the two later empires Han dynasty and Roman?
i hate school dont learn
How did Sumerian culture influence later people?
by passing it on and trying to inforce the rules and punishments they showed and teached
