Science and Technology
- Radiative forcing, a measure of the change in balance of the energy absorbed and emitted by the Earth's atmosphere
- "Rate of flow", as in Volumetric flow rate
- Radio frequency
- RF connectors, a type of electrical connectors designed to work at radio frequencies
- Random forest, a machine learning algorithm
- Receptive field, a term used in neuroscience referring to the kinds of stimuli to which a neuron is sensitive
- Recombinant frequency, a term used in genetics to measure genetic linkage
- Register file, an array of processor registers in a CPU
- Retardation factor (or retention factor), designated as Rf, a term used in chromatography
- Reticular formation
- Rheumatoid factor, a blood test used to diagnose rheumatoid arthritis
- Roman foot, an ancient Roman unit of measurement
- Rutherfordium, a chemical element
- Release factor
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“Science and literature are not two things, but two sides of one thing.”
—Thomas Henry Huxley (1825–95)
“After science comes sentiment.”
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“The real accomplishment of modern science and technology consists in taking ordinary men, informing them narrowly and deeply and then, through appropriate organization, arranging to have their knowledge combined with that of other specialized but equally ordinary men. This dispenses with the need for genius. The resulting performance, though less inspiring, is far more predictable.”
—John Kenneth Galbraith (b. 1908)