An article from Science News Aug 2019

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An article from Science News Aug 2019

## Quantum physicists have teleported ‘qutrits’ for the first time

An article from Science News Jun 2019

## A computer model explains how to make perfectly smooth crepes

An article from Science News May 2019

## The kilogram just got a revamp. A unit of time might be next

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## Abel, Neils Henrik (1802–1829)

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## Abstract data type

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## Adaptive signal processing

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## Aiken, Howard Hathaway (1900–1973)

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## Airborne radar

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## Aleksandrov, Pavel Sergeevich (1896–1982)

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## Algebra

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## Amateur radio

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## Amplitude-modulation detector

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## Amsler-Laffon, Jakob (1823–1912)

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## Analog computer

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## Antarctic ice velocity mapped with greater precision Published in 2019

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## Antenna (electromagnetism)

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## Anthemius (lived 5th–6th century AD)

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## Apollonius of Perga (c. 245–c.190 BC)

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## Archimedes (c. 287–212 BC)

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## Area

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## Argand, Jean Robert (1768–1822)

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## Aristarchos (c. 320–c. 250 BC)

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## Arithmetic

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## Artin, Emil (1898–1962)

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## Asymptote

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## Automata theory

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## Automatic frequency control (AFC)

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## Automatic gain control (AGC)

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## Avicenna (980–1037)

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## Babbage, Charles (1792–1871)

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## Baker, Alan (1939– )

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## Banneker, Benjamin (1731–1806)

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## Bardeen, John (1908–1991)

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## Barrow, Isaac (1630–1677)

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## Barycentric calculus

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## Bayesian statistics

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