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:
“Consider the China pride and stagnant self-complacency of mankind. This generation inclines a little to congratulate itself on being the last of an illustrious line; and in Boston and London and Paris and Rome, thinking of its long descent, it speaks of its progress in art and science and literature with satisfaction.... It is the good Adam contemplating his own virtue.”
—Henry David Thoreau (1817–1862)
“We have not given science too big a place in our education, but we have made a perilous mistake in giving it too great a preponderance in method in every other branch of study.”
—Woodrow Wilson (1856–1924)
“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)