Science and Technology
- PA-RISC, an instruction set architecture developed by Hewlett-Packard
- PA series, a group of paper sizes
- Pascal (unit), an SI derived unit of pressure
- Peano axioms in mathematical logic
- Physician assistant, the title of one group of mid-level medical practitioners
- Polyacetylene
- Polyamide, the type of polymer that makes of proteins, wool, silk, and nylons
- Power amplifier, a system used to amplify speech or music so that they may be heard by large crowds of people, especially outdoors
- Proanthocyanidins
- Protactinium, a chemical element
- Production assistant, a job title in filmmaking and television
- The position angle of a binary star system
- PA pressure, or pulmonary artery pressure
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Famous quotes containing the words science and, science and/or technology:
“There does not exist a category of science to which one can give the name applied science. There are science and the applications of science, bound together as the fruit of the tree which bears it.”
—Louis Pasteur (1822–1895)
“Hard times accounted in large part for the fact that the exposition was a financial disappointment in its first year, but Sally Rand and her fan dancers accomplished what applied science had failed to do, and the exposition closed in 1934 with a net profit, which was donated to participating cultural institutions, excluding Sally Rand.”
—For the State of Illinois, U.S. public relief program (1935-1943)
“Technology is not an image of the world but a way of operating on reality. The nihilism of technology lies not only in the fact that it is the most perfect expression of the will to power ... but also in the fact that it lacks meaning.”
—Octavio Paz (b. 1914)