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The cycloidal pendulum
The cycloidal pendulum has three key properties: it is isochronous, tautochronous and brachistochronous. Behind these learned names lie fundamental properties—so fundamental, in fact, that we owe nothing less than the birth of clockmaking to the pendulum!
Three mathematicians honored in 2019 | Tangente
The 2019 L'Oréal-UNESCO For Women in Science Award went to Claire Voisin and Ingrid Daubechies. At the same time, Jean-François Le Gall received the prestigious Wolf Prize.
Félix, inventor bridging art and mathematics | Tangente
Sculptor, architect, engineer, mathematician? No doubt all of the above! Gérard Chamayou, known as Félix, was one of those who refused to accept barriers between disciplines, and his gift was to move among them with a provocative yet deeply humane spirit.
Maths Night 2019 in Tours and Blois | Tangente
For its fifth edition, the Maths Night festival, held in the Loire Valley, will feature talks, shows, exhibitions and films, all with plenty of humor and conviviality.
Séphora-Berrebi scholarships: 2019 winners | Tangente
The four Séphora-Berrebi scholarships, each worth €2,000, are awarded to female doctoral or postdoctoral researchers who have distinguished themselves through their research in mathematics or computer science.
High school maths: education's vicious circle | Tangente
On January 24, 2018, the Villani–Torossian report, "21 Measures for the Teaching of Mathematics," was published, generating enthusiasm among the teaching community. That enthusiasm was tempered on February 12 by the announcement of the forthcoming high school reform.
Combien de feuilles dans une enveloppe ? | Tangente
Conclusions valides ou non : logique Carroll | Tangente
Logipolis — Casse-tête de mathématiques | Tangente
Le papier à lettres : problème de pliage | Tangente
La secrétaire distraite : problème classique | Tangente
Développée à envelopper : problème photo | Tangente
Enveloppe timbrée : problème de géométrie entière | Tangente
Une courbe singulière : poulies et courroie | Tangente
Triangulons : problème de triangulation | Tangente
Autofocus : aire dans un quadrillage carré | Tangente
Arnacarello il Magnifico : nouvelle maths | Tangente
L'Institut intergalactique est le temple de l'excellence, où exerce le redoutable professeur Phi. Ce dernier, dans un élan de générosité qui ne lui semble pas coutumier, vient d'offrir à ses élèves des places pour un spectacle…
Époustouflants carrés magiques de nombres premiers | Tangente
Les carrés magiques nous fascinent depuis des siècles. Et si l'on remplaçait les entiers par des nombres premiers ?
Tableaux de fils tendus et courbes maths | Tangente
Champignac et Turing : BD et mathématiques | Tangente
Histoire du calcul écrit : une promenade | Tangente
