ELISABETH BUSSER
226 articles published in Tangente
Math for everyoneN°176May 24, 2017The luthiers' code
The luthiers of the Parisian house Gand & Bernardel, a famous dynasty of violin makers from 1795 to the Second World War, had a code that let them work on their slips with complete discretion.
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Math for everyoneN°176May 23, 2017Numbers in a triangle: puzzles to explore
The arrangement of numbers in Pascal's triangle obviously lends itself to play, and many mathematical recreations refer to it.
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History and CultureN°176May 23, 2017Journey into the heart of a mathematical classic
If you know how to fill in Pascal's triangle, you may be less aware of the treasures it contains. Arithmetic, geometric, combinatorial: it has no shortage of astonishing mathematical properties! And there are undoubtedly many more still to be discovered…
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Math for everyoneN°176May 23, 2017Perpendicular bisectors, angle bisectors… and beyond!
Equidistance is introduced very early in geometry. Perpendicular and angle bisectors are the simplest examples. Let us go further and consider points equidistant from a line and a circle, from two circles, or even from two more general curves. How far can we take this?
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Math for everyoneN°175Mar 29, 2017Algebraic identities in the classroom
"Find two numbers given their sum and product." This problem, already posed by the Babylonians four thousand years ago, marked a milestone in the history of mathematics and paved the way for an entire teaching tradition: that of algebraic identities.
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History and CultureN°175Mar 23, 2017The kimono, a geometer's art
"Kimono painter" is how Kunihiko Moriguchi (born in 1941) describes himself.
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History and CultureN°175Mar 23, 2017Penrose designer
Roger Penrose's non-periodic tilings are inspiring designers too!
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Math for everyoneN°175Mar 23, 2017Algebraic topology on the internet
A different approach to mathematics, using algebraic topology, is available online.
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Math for everyoneN°175Mar 23, 2017Magic square: a new record
Magic squares still fire the imagination… and keep their designers racking their brains (see Tangente 161).
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History and CultureN°175Mar 23, 2017Women mathematicians at NASA: a film worth watching!
They were employed almost as "human computers" at Langley, the American research center in Hampton, Virginia.
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Math for everyoneN°175Mar 23, 2017Mathematics of the body
Mathematics inspires choreographers. Two works to see right now.
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Math for everyoneN°62Feb 15, 2017French economy boosted by… mathematics
Mathematics has a major socioeconomic impact in France. AMIES proves it!
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