Gilles Cohen
61 articles published in Tangente
Math for everyoneN°67Jun 29, 2018Mobile structures and solar games for young people
Philippe Debouclans, a pioneer in solar-energy education, brought together a team to introduce young people to renewable energy through workshops featuring games and construction activities using his range of Héliobil toys.
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History and CultureN°182May 17, 2018National Order of Merit for Houria Lafrance
A tireless mathematics popularizer has just been honored. Houria Lafrance, president of the association "Les maths en scène," has been appointed a Knight of the National Order of Merit.
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History and CultureN°182May 17, 2018Walloon of the Year award goes to Emmanuel Houdard
The 2017 Walloon of the Year Award has just been presented to mathematics teacher Emmanuel Houdart, director of the Maison des maths in Quaregnon, Hainaut, Belgium, near the French border.
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History and CultureN°181Mar 19, 2018The Villani–Torossian report
The press has covered it extensively: a report has just been submitted to the Minister of National Education, recommending 21 measures to improve mathematics teaching in France. We take a closer look.
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Math for everyoneN°181Mar 19, 2018The high school reform
What does the high school reform intended to overhaul the baccalauréat entail? Announced as the Villani–Torossian report was released, it appears to contradict the report's proposals.
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History and CultureN°179Nov 22, 2017Bull's-eye: the results
Tangente's 30th anniversary coincides with another milestone: the 20th anniversary of Affaire de Logique, the weekly column in Le Monde, which celebrated its 1,000th installment with a competition run weekly for 26 weeks that drew… 1,000 participants!
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History and CultureN°184Oct 04, 2017Tangente Day programme for 2 December
Here is the programme (which will be updated regularly) for Tangente Day at the Musée des Arts et Métiers on Sunday, 2 December 2018. Admission is free for everyone. Save the date!
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History and CultureN°178Sep 25, 2017Tangente turns 30
A grand celebration awaits you on Sunday, December 3, at the Musée des arts et métiers in Paris to mark Tangente's 30th anniversary, followed by an event in Brussels on December 8 and 9. No one is left out: there will be something for everyone, whatever their age or level.
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History and CultureN°177Jul 17, 2017Raymond Smullyan (1919–2017)
An eclectic mathematician, Raymond Smullyan, who died last June, was best known to the general public for his books of mathematical recreations centered on logic.
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Math for everyoneN°176May 24, 2017Tangente turns 30: 30 ways to support it
The magazine Tangente, which is about to celebrate its 30th anniversary, has become an international benchmark and a fixture in the world of mathematics. Yet your support is more vital than ever to keep it going.
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Math for everyoneN°63May 23, 2017What is a complex number?
The set of complex numbers gained acceptance—with difficulty—when it became necessary to look beyond the real numbers for all the solutions of a quadratic equation. What no one had anticipated was its richness and the links it would forge with mathematics as a whole. Early discoveries.
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Math for everyoneN°175Apr 05, 2017Bet on the presidential election!
To mark the French presidential election, which coincides with Tangente's feature on betting, we are inviting our readers to bet… on the candidates' shares of the vote! It is free to enter, with thousands of euros in vouchers to be won.
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