An article from Science News Jan 2020
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An article from Science News May 2019
The kilogram just got a revamp. A unit of time might be next
An article from Science News Mar 2017
Choosing the right cyberattack response is a complicated game
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from article Hyperbolic geometry
Examples of simple hyperbolic knots and links. (a) Figure-8 knot. (b) Whitehead link.
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from article Progression (mathematics)
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from article Tangent
Line L tangent to curve C at P.
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from article Z transform
Extraction of discrete-time sample values from a continuous signal.
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from article Pythagorean theorem
Proof of Pythagorean theorem based on comparison of areas of squares.
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from article Pythagorean theorem
Three-dimensional Pythagorean theorem.
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from article Analysis of variance
