Major advances in technology that took place during the 20th century

Building techniques Prehistoric building techniques also underwent significant developments in the Neolithic Revolution. These drugs work by preventing the growth of pathogenic organisms.

Biblical-scale droughts are becoming the norm here, with much of the continent hit by serious declines in agricultural yields. Later probes of the Venera series gathered further atmospheric and surficial data.

21st Century Earth History

The word "New" is strange, since there would be no reason to assume that the UN would need to be re-established that soon, after all in the revised TNG history the Third World War is supposed to take place later.

Time travel messes up history Now for the dreaded time travel theory. Fourth, new printing techniques were developed. To simplify the relationship as much as possible, there are three points at which there must be some social involvement in technological innovation: Petroleum refinery at Ras Tanura, Saudi Arabia.

The simple explanation for this blatant mistake is that Ron D. The airplane is entirely a product of the 20th century, unlike the automobile, to which its development was intimately related. This way the DY and the technology of its time would be allowed to be more advanced than the Ares IV and the Charybdis.

In an attempt to create a still more far-sighted vision the authors of Star Trek came up with more technologies soon to become reality. Earliest communities For all except approximately the past 10, years, humans lived almost entirely in small nomadic communities dependent for survival on their skills in gathering food, hunting and fishing, and avoiding predators.

Technological achievements of Greece and Rome bce— ce The contributions of Greece and Rome in philosophy and religion, political and legal institutions, poetry and drama, and in the realm of scientific speculation stand in spectacular contrast with their relatively limited contributions in technology.

In starting World War II, the Germans had unleashed a new type of warfare, characterized by highly mobile forces and the use of massed aircraft. These findings were confirmed by the Soviet Venera 3, which crash-landed on the planet on March 1,and by Venera 4, which made the first soft landing on Oct.

This is an elusive problem, and it is necessary to accept the phenomenon of simultaneous or parallel invention in cases in which there is insufficient evidence to show the transmission of ideas in one direction or another. In between these boundaries—the one opening a new set of trends, the other bringing long-standing tensions to a head—much of modern Europe was defined.

By the late s, the last remaining pockets of asbestos mining have closed — years after the peak in global production and years after the first industrial-scale operations. The task of the Sumerian irrigation engineers was that of channeling water from the rivers during the summer months, impounding it, and distributing it to the fields in small installments.

This current, called the Edison effectwas later identified as a stream of electrons radiated by the hot filament. This began with the successful orbit of the Earth by the Soviet cosmonaut Yury Gagarin on April 12,in the Vostok 1. A global war devastates Earth by the midst century, requiring a difficult recovery of the planet.

Solar was becoming so cheap and widespread that it rapidly gained a foothold in many African nations including Nigeria, forming a substantial percentage of energy capacity within just a few decades. Hitler need not have declared war on the United States, and kept its continued neutrality in Europe, but he did not.

The availability of these developments and the demand for more and more office space in the thriving cities of Chicago and New York caused the boom in skyscraper building that continued untilwhen the Empire State Buildingwith its total height of 1, feet metres and stories, achieved a limit not exceeded for 40 years and demonstrated the strength of its structure by sustaining the crash impact of a B bomber in July with only minor damage to the building.

The thing needed may be a more efficient cutting tool, a more powerful lifting device, a laboursaving machineor a means of utilizing new fuels or a new source of energy. These drugs work by preventing the growth of pathogenic organisms. Oil spills were frequent in the region and often devastating to communities based around fishing and farming.

Developments in food production brought further refinements in tools.


Most of the entirely new materials were nonmetallic, although at least one new metal, aluminumreached proportions of large-scale industrial significance in the 20th century. By the early s, restoration efforts in the Niger Delta have been largely completed, while economic diversification has allowed Nigeria to transition away from its older fossil fuel industries and to attract foreign investment in new areas.

The problem with the first idea, blaming Scotty, is that is already too late to change the course of events that ultimately leads to the Eugenics Wars and the sleeper ships. Jesuit missionaries introduced Western science and medicine to the royal court, the Chinese physicians ignored them.

Even here, however, there was increasing competition from large diesel-powered motor vessels. Although regulations existed in the United States, however, there was still no official federal ban of the carcinogen. The next challenge for Nigeria — and indeed much of Africa — is to increase its access to water.

History of technology

The war also stimulated the use of gliders for the transport of troops, the use of parachutes for escape from aircraft and for attack by paratroops, and the use of gas-filled balloons for antiaircraft barrages. Most of the east went to Stalin, who agreed to allow free elections in Eastern Europe, which he never did.Timeline of the s and the Last Hurrah of the 20th-Century.

Article. 18th Century Timeline: - Article. The History of Computer and Video Games. Article. Amazing 15th-Century Inventions. List. Timeline of Invention Periods from the Middles Ages On.


History of medicine

The Early History of Flight American Farm Machinery and Technology. The 20th century was a time of rapid artistic change and development where preconceived, traditional concepts were challenged. The role of the artist, the relationship between representation and significance, and the growing relevance of mass-produced visual images were considered and redefined.

Poliomyelitis, also called infantile paralysis, had crippled thousands of children during an epidemic that hit the world during the 's and 's. It is estimated that one of every 5, people (mostly children) fell victim to polio.

Developments in 20th-century

20th Century Technology. From atomic bombs to cell phones, the technological developments of the 20th Century have been profound, both improving our lives and endangering us. We've selected what we think are the 20 most important developments. Technology, science, inventions and re-inventions have progressed at an accelerated rate during the hundred years of the 20th century, more so than any other century.

History of technology - The 20th century: Recent history is notoriously difficult to write, because of the mass of material and the problem of distinguishing the significant from the insignificant among events that have virtually the power of contemporary experience.

Major advances in technology that took place during the 20th century
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