oil painting has been the medium of choice for painter since
Oil painting Early works were still panel paintings on wood, but around the end of the 15th century canvas became more popular as the support, as it was cheaper, easier to transport, allowed larger works, and did not require complicated preliminary layers of gesso (a fine type of plaster). Venice, where sail-canvas was easily available, was a leader in the move to canvas. Small cabinet paintings were also made on metal, especially copper plates. These supports were more expensive but very firm, allowing intricately fine detail. Often printing plates from printmaking were reused for this purpose. The popularity of oil spread through Italy from the North, starting in Venice in the late 15th century. By 1540, the previous method for painting on panel (tempera) had become all but extinct, although Italians continued to use chalk-based fresco for wall paintings, which was less successful and durable in damper northern climates.
State of the art The origin of the concept of "state of the art" took place in the beginning of the twentieth century.[3] The earliest use of the term "state of the art" documented by the Oxford English Dictionary dates back to 1910, from an engineering manual by Henry Harrison Suplee (1856-post 1943), an engineering graduate (University of Pennsylvania, 1876), titled Gas Turbine: progress in the design and construction of turbines operated by gases of combustion. The relevant passage reads: "In the present state of the art this is all that can be done". The term, "art", itself refers to the useful arts, skills and methods relating to practical subjects such as manufacture and craftsmanship, rather than in the sense of the performing arts and the fine arts.[4]