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The football World Cup's "8" | Tangente
Despite its Möbius-strip appearance, the logo of the 2022 FIFA World Cup is simply an "8".
What's new in the International System of Units | Tangente
The 27th General Conference on Weights and Measures was held in November in Versailles (Yvelines). Participants were delegates from the states that had signed the Metre Convention.
Nalini Anantharaman at the Collège de France | Tangente
She was among the favorites for a Fields Medal in 2014; now she has been awarded a chair at the Collège de France!
Tangente turns 35
December 4, 2022: a milestone for Tangente, which celebrated its 35th anniversary at the Musée des arts et métiers in Paris. 2,050 visitors enthusiastically took in the shows, talks, workshops, exhibitions, meet-and-greets, presentations, ceremonies and more on offer. Here is a glimpse of that memorable day.
A call to our readers | Tangente
Tangente has just celebrated its 35th anniversary. Quite an achievement! Who would have thought that a popular mathematics magazine could last so long? Yet to secure its future for many years to come, our magazine needs some of you to get involved. Here are three areas where you can help.
2022 Tangente Awards ceremony | Tangente
One of the events scheduled at the Musée des arts et métiers on 4 December was the 2022 Tangente Awards ceremony, held in the lecture hall from 4 to 6 p.m. Here is our report.
Happy New Year! The properties of 2023
As is now customary, the Tangente team explores the properties of the year number in our Gregorian calendar. What can we say about 2023? We will examine it in particular through the Josephus sieve.
Numbers at the heart of mathematics—and our lives | Tangente
The Mathematics Forum held at UNESCO last November took stock of the role of mathematics in our societies, students' attainment—which, according to various international comparative studies, is plummeting—and the place of women in mathematics.
Sidon sets
Number theory is a branch of mathematics that still contains questions that are easy to state yet remain unsolved. Sidon sets, in which the differences between pairs of terms are all distinct, are a case in point.
Un génie prénommé Georg | Tangente
Un sangaku tokyoïte | Tangente
Le cercle inscrit confiné | Tangente
Encore un cercle confiné | Tangente
Le cercle de culture | Tangente
La cueillette des pommes | Tangente
La crypte aux monnaies | Tangente
Au pied du mur : un défi de géométrie stimulant | Tangente
Le rover revient : problème combinatoire | Tangente
Des carrés pour 2023 : défi arithmétique | Tangente
Lister les nombres rationnels de Cantor | Tangente
L’idée de Cantor pour montrer que l’ensemble des rationnels est dénombrable est bien connue. Il existe d’autres façons d’ordonner les fractions pour obtenir le même résultat.
Sangaku en cuisine : géométrie et nouvell… | Tangente
L’Institut intergalactique est le temple de l’excellence, où exerce le redouté professeur Phi. Les contraintes d’un restaurant qui confectionne des petits plats sont à l’origine d’une étonnante énigme géométrique.
Du nouveau du côté des illusions d'optique | Tangente
Procès des sciences : un mathématicien répond | Tangente
Petits plaisirs mathématiques de C. Lommé | Tangente
Que le spectacle commence ! Compter de 1 à 10 | Tangente
Mathématiques et solidarité pour les petits | Tangente