Search results
Results From The WOW.Com Content Network
Therefore, those who want diamonds are willing to pay a higher price for one diamond than for one glass of water, and sellers of diamonds ask a price for one diamond that is higher than for one glass of water. Conversely, a man dying of thirst in a desert would have greater marginal use for water than for diamonds so would pay more for water ...
The Ancient Greeks of Athens and Asia Minor also used an indoor plumbing system, used for pressurized showers. [29] The Greek inventor Heron used pressurized piping for fire fighting purposes in the City of Alexandria. [30] An inverted siphon system, along with glass covered clay pipes, was used for the first time in the palaces of Crete, Greece.
The so-called Roman salute, in which the arm is fully extended forwards or diagonally with palm down and fingers touching, was not used in ancient Rome.The gesture was first associated with ancient Rome in the 1784 painting The Oath of the Horatii by the French artist Jacques-Louis David, which inspired later salutes, most notably the Nazi salute.
The exact meaning of the expression is disputed, [13] in part because salt had a wide number of uses in the ancient world. Salt was extremely important in the time period when Matthew was written, and ancient communities knew that salt was a requirement of life. [14]
Plentiful water and the enrichment of the soil due to annual floods made it possible to grow excess crops beyond what was needed to sustain an agricultural village. This allowed some of the people to engage in non-agricultural activities, such as the construction of buildings and cities (the root of the word "civilization"), metalworking, trade ...
In 1967, Roderick Nash published Wilderness and the American Mind, a work that has become a classic text of early environmental history.In an address to the Organization of American Historians in 1969 (published in 1970) Nash used the expression "environmental history", [4] although 1972 is generally taken as the date when the term was first coined. [5]
The Ptolemaic system of celestial motion as depicted in the Harmonia Macrocosmica (1661). Science in classical antiquity encompasses inquiries into the workings of the world or universe aimed at both practical goals (e.g., establishing a reliable calendar or determining how to cure a variety of illnesses) as well as more abstract investigations belonging to natural philosophy.
Hippocrates encouraged his fellow healers to use salt water to heal various ailments by immersing their patients in sea water. The ancient Greeks continued this, and in 1753, English author and physician Richard Russell published The Uses of Sea Water in which he declared that salt was a "common defence against the corruption of…bodies" and ...