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Science and Technology during the Renaissance: This phase in the history of science was one of description and criticism. First came the exploration of ancient knowledge, mainly of the Greeks. The scholars encountered the thoughts of Plato and Aristotle in the original, as well as those of Democritus and Archimedes. Then came the challenge to old authority. At the same time the arts and techniques flourished and provided the material means for the growth of science.
Art:
The visual arts, such as painting and sculpture, came to occupy an important place in society. These had a profound influence on the development of science. For instance, painters were required to have a thorough knowledge of geometry, so that they could represent three dimensional figures in two dimensions. For this, they also used many mechanical and optical aids. The realistic life-like paintings required the most detailed observations of nature and thus, laid the foundation of geology and natural history. The anatomy of human beings was also studied in much detail. The professions of artists, architects and engineers were not separated in the Renaissance. Artists were also the civil and military engineers. They could cast a statue, build a cathedral, drain a swamp or even besiege a town. The great Renaissance artist Leonardo da Vinci is well known to all of us for his beautiful painting 'Mona Lisa'. Not many of us may know of his contributions to the study of human anatomy, study of plants and animals as well as of machines and military devices. His drawings indicate that he was also a keen observer of the operations of metal-workers and technicians who constructed buildings sand bridge.
Resource Energy: The demand for energy doubles every 14 years and is taken as one of the indicators of development of a country. India, with 16% of the world's population c
How soap helps water in cleaning Prepare two greasy cloths by smearing kitchen fat or vaseline on cloths. Wash one sample in warm water without soap. Wash the other sample in w
The Pure Planet Company † operates a recycling center that collects four types of plastic materials, then treats them so that they can be interfused-treating and interfusing are s
Which will most likely form when a steep mountain stream flows abruptly onto a flat plain alluvial fan
Q. Mention the different methods of wheat milling? Three methods of wheat milling are stone milling, roller milling and fragmentation milling.
Physical Properties of Amino acid:- Solubility : Amino acids are readily soluble in water, slightly soluble to insoluble in ethanol and insoluble in ether. Tyrosine is solubl
Define the Sympathetic Nervous System The sympathetic component of the autonomic nervous system is concerned with in- creasing the level of arousal and energy expenditure - pri
Explain Abductor Muscles Abductor muscle is a muscle that serves to draw a part out, or from the median line (as the abductor oculi, which draws the eye outward). Abductor m
Procedure : There are two parts of this activity. Part A deals with the assembling of the continuity testing device (CTD) and Part B deals with checking the effectiveness of earth
Explain Tidal Volume and Inspiratory Reserve Volume Tidal Volume (TV): It is the volume of air that is taken in or given out during quiet breathing. The volume 1s about 500
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