Science and Technology
- SAm, in astrophysics, the de Vaucouleurs code for an unbarred one-armed Magellanic spiral galaxy
- S-Adenosyl methionine, a common co-substrate involved in methyl group transfers
- Scanning acoustic microscope, a device using focused sound to investigate, measure, or image an object
- Scanning Auger microscope, a device to image the surface using Auger electron spectroscopy
- Self-assembled monolayer, an organized layer of amphiphilic molecules
- Shoot apical meristem, a tissue in plant cells
- Significance analysis of microarrays, a permutation-based method to estimate the false discovery rate in microarray analysis
- Simulation for Automatic Machinery, two minicomputers
- Small article monitor, a monitoring device designed to screen small items for radioactive contamination
- Southern Annular Mode, a mode of atmospheric variability of the southern hemisphere
- Sparse Anti-Magic square, in mathematics, another name for an Antimagic square
- Swinging Atwood's machine, a mechanism that resembles a simple Atwood's machine
- Systolic anterior motion of the mitral valve, in cardiac medicine
- Sample Analysis at Mars, an instrument abord the Curiosity rover on Mars
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“Imagination could hardly do without metaphor, for imagination is, literally, the moving around in one’s mind of images, and such images tend commonly to be metaphoric. Creative minds, as we know, are rich in images and metaphors, and this is true in science and art alike. The difference between scientist and artist has little to do with the ways of the creative imagination; everything to do with the manner of demonstration and verification of what has been seen or imagined.”
—Robert A. Nisbet (b. 1913)
“There is a chasm between knowledge and ignorance which the arches of science can never span.”
—Henry David Thoreau (1817–1862)
“If we had a reliable way to label our toys good and bad, it would be easy to regulate technology wisely. But we can rarely see far enough ahead to know which road leads to damnation. Whoever concerns himself with big technology, either to push it forward or to stop it, is gambling in human lives.”
—Freeman Dyson (b. 1923)