Dowker–Thistlethwaite notation
Mathematical notation for describing the structure of knots.
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Dowker–Thistlethwaite notation
Mathematical notation for describing the structure of knots.
Uniform norm
Function in mathematical analysis.
Quark–gluon plasma
State of matter important in cosmology and particle physics.
Astrophysical jet
Stream of ionized matter flowing away from a rotating astronomical object.
Epidemiology
Study of health and disease within a population.
U Sagittae
Eclipsing stellar binary.

Zero-point energy
Lowest possible energy of a quantum system or field.
Science, technology, engineering, and mathematics
Umbrella term for technical disciplines.
Dead centre (engineering)
Positions of an engine's piston at the top or bottom of its stroke.
Gibbs phenomenon
Oscillatory error in Fourier series.
Technical drawing
Creation of standards and the technical drawings.
Computational linguistics
Use of computational tools for the study of linguistics.
Mammatus cloud
Supplementary feature of clouds.
Subtraction
One of the four basic arithmetic operations.
Mass driver
Proposed spacelaunch method.
Reversible cellular automaton
Cellular automaton that can be run backwards.