Technological artifacts are products of an economy, a force for economic growth, and a large part of everyday life. Technological innovations affect, and are affected by, a society's cultural traditions. They also are a means to develop and project military power.
Although, by definition, no writing records were made in prehistoric time, we can get some insight as to how the world, and its mechanisms, was understood or interpreted by prehistoric man by direct and indirect evidence. Direct evidence includes cave paintings that were found in Spain and France, and some other artistic works, for example the Venus of Willendorf. Other direct evidence are bones (for example trepanation), mummies and ancient tools*. Despite the relative lack of direct evidence of knowledge owned by prehistoric man, the surviving technologies of prehistory may also be used to conjecture as to the understanding of the world in that era.
Survival was the first order of business; even today, with the great tsunami of 2004, Andaman Islanders remembered the advice of their forebears, took to the high ground, and survived the tsunami, as their ancestors have since time immemorial. These peoples recounted this knowledge to the crews of the rescue aircraft who were hovering over the Andaman Islands, after the aircraft were attacked by their arrows.
Although there is no written record of technological innovation for some peoples or cultures, there is some evidence for their achievements in exploration: for example, the Malay people spread across the Malay archipelago, across the Indian ocean to Madagascar and also across the Pacific ocean, which required knowledge of the ocean currents, the winds, sailing, the movement of the stars, celestial navigation, and star maps. The star maps were not made of paper, but were lashed together with strings, sticks and shells. Their outrigger ships were ocean-worthy, thousands of years ago, well before the maritime technology of the West was capable of the age of exploration.
Before them, likely by hunting and gathering, the Indigenous Australians and the Native Americans followed the contours of the continents to populate their parts of the world - a journey of tens of thousands of kilometers, and which may have taken thousands of years.
Hero of Alexandria invented a steam engine and documented the use of many mechanic, pneumatic and other devices. Archimedes invented several machines. The Greeks were the only civilization in pre industrial times to combine scientific research with the development of new technologies. One example is the Archimedes Screw, this technology was first conceptualized in mathematics, then it was build. Other technologies with the Greek scientists invented using the scientific method include the ballistae, primitive analog computers like the Antikythera mechanism and the piston pump.*
The civilization of Rome included technology for:
Because Rome was located on a volcanic peninsula, with sand which contained suitable crystalline grains, the concrete which the Romans formulated and invented was especially durable. Some of their buildings have lasted 2000 years, to the present day.
The Romans understood hydraulics and constructed fountains and waterworks which were the hallmark of their civilization. Some Roman baths, in England for example, have lasted to this day.
The romans developed the most advanced set of technologies for their time and many of its technologies were only reinvented in the 19th century and 20th century.
The Takshashila University was an important seat of learning in the ancient world. It was the center of education for scholars from all over Asia. Many Greek, Persian and Chinese students studied here under great scholars - Kautilya, Panini, Jivaka, Vishnu Sharma.
A panel found at Mohenjodaro, depicting a sailing craft. Vessels were of many types. Their construction is vividly described in the Yukti Kalpa Taru, an ancient Indian text on Ship-building.
Indian construction and architecture called 'Vaastu Shastra' offered details and plans based on scientific principles like Strength of Materials, ideal height of construction, presence of adequate sources of water, light hence preserving hygiene. It is one of the first building science to be so all-inclusive.
The Yukti Kalpa Taru, compiled by Bhoja Narapati is concerned with ship-building. (The Yukti Kalpa Taru (YKT) had been translated and published by Prof. Aufrecht in his 'Catalogue of Sanskrit Manuscripts').
Ancient Indian culture has always been diverse in its choice of spices, condiments and ornamental items, hence India was the origin of palm and coconut oil, indigo and other vegetable dyes and pigments like cinnabar. Many of the dyes were used in art and sculpture. The use of perfumes demonstrates some knowledge of the application of technologies used in chemistry, particularly in distillation and purification processes.
Other Chinese discoveries and inventions from the Medieval period, according to Joseph Needham's research, include: the paddle wheel boat, block printing and movable type, phosphorescent paint, chain drive, and the spinning wheel.
It is said that the Incas were the first inventors of hydroponics, which they used to grow crops in great number whilst reducing land usage, thus revealing the geographical ability to plan land.
For ships at sea, boys were used to turn the sandglasses, and to call the hours.
The use of the pendulum, ratchets and gears allowed the towns of Europe to create mechanisms to display the time on their respective town clocks; by the time of the scientific revolution, the clocks became miniaturized enough for families to share a personal clock, or perhaps a pocket watch. At first, only kings could afford them.
Recombinant DNA.
Morgan's concept of three major stages of social evoluton (savagery, barbarism, and civilization) can be divided by technological milestones, like fire, the bow, and pottery in the savage era, domestication of animals, agriculture, and metalworking in the barbarian era and the alphabet and writing in the civilisation era.
Instead of specific inventions, White decided that the measure by which to judge the evolution of culture was energy. For White "the primary function of culture" is to "harness and control energy." White differentiates between five stages of human development: In the first, people use energy of their own muscles. In the second, they use energy of domesticated animals. In the third, they use the energy of plants (agricultural revolution). In the fourth, they learn to use the energy of natural resources: coal, oil, gas. In the fifth, they harness nuclear energy.
White introduced a forumula P=E*T, where E is a measure of energy consumed, and T is the measure of efficiency of technical factors utilising the energy. In his own words, "culture evolves as the amount of energy harnessed per capita per year is increased, or as the efficiency of the instrumental means of putting the energy to work is increased". Russian astronomer, Nikolai Kardashev, extrapolated his theory creating the Kardashev scale, which categorizes the energy use of advanced civilisations.
Lenski takes a more modern approach and focuses on information. The more information and knowledge (especially allowing the shaping of natural environment) a given society has, the more advanced it is. He identifies four stages of human development, based on advances in the history of communication. In the first stage, information is passed by genes. In the second, when humans gain sentience, they can learn and pass information through by experience. In the third, the humans start using signs and develop logic. In the fourth, they can create symbols, develop language and writing. Advancements in the technology of communication translates into advancements in the economic system and political system, distribution of goods, social inequality and other spheres of social life. He also differentiates societies based on their level of technology, communication and economy: 1) hunters and gatherers, 2) simple agricultural, 3) advanced agricultural, 4) industrial 5) special (like fishing societies).
Finally, from the late 1970s sociologists and anthropologists like Alvin Toffler (author of Future Shock), Daniel Bell and John Naisbitt have approached the theories of post-industrial societies, arguing that the current era of industrial society is coming to an end, and services and information are becoming more important than industry and goods. Some of the more extreme visions of the post-industrial society, especially in fiction, are strikingly similar to the visions of near and post-Singularity societies.
Main article: History of biotechnology
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History of technology | History-related lists | Technology-related lists | Technology timelines | Technikgeschichte | Historia wynalazków i wynalazczości | História da tecnologia | Teknikhistoria | 技术史
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