2023-11-18 01:00:07
Differential equations have allowed man “to make predictions regarding the world around him and to anticipate certain of its developments”, assures Cédric Villani in the podcast “Les Contes des mille et une sciences”. WOLFGANG FLAMISCH/FLIRT/PHOTONONSTOP
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Be warned from the outset: saying or writing just the words “differential equations” means taking the risk of scaring away readers and listeners. Except that Cédric Villani has a certain talent for being the popularizer and, better still, the storyteller. This is because, he says, differential equations have allowed man “to make predictions regarding the world around it and to anticipate certain of its developments”what “weather, transport, space conquest, architecture or even agriculture, our daily lives are inextricably linked to forecasts”that the mathematician devotes four episodes of a new podcast to giving us a better understanding of them.
Episode 1: here we are in France in the 1680s. The Church is on the defensive, while the scientific world is getting organized. Galileo, Descartes, Fermat, Pascal “threw Aristotle’s old scholasticism aside”. And then there is this letter, dated October 24, 1676, written in Latin by Isaac Newton for Gottfried Wilhelm Leibniz, who would soon be mocked by Voltaire in his Candide. This is what episode 2 recalls, which opens with an expedition to Lapland (magic of the radio and its teams which transport us there) and makes us discover the life and work of Leonhard Euler, “Swiss titan” twelve times winner of the Grand Prix of the Academy of Sciences.
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The third episode is built around “Henri Poincaré’s fruitful error”, and the last episode focuses on the marriage of differential equations and computers. And Villani paid tribute in particular to Katherine Johnson, an African-American mathematician, whose life was told in Theodore Melfi’s film, Shadow Figures (2016), now available on Disney+.
Read the interview: Article reserved for our subscribers Cédric Villani: “It is from the first degree that inequalities widen”
But there is no need to reveal more, because this is also what this podcast succeeds in: making us experience each advance as an adventure, keeping us in suspense even though the temptation to run away was great, given the manipulated concepts. By multiplying the examples, by crossing disciplines, by paying homage to these men and women (such as Emilie du Châtelet, the first woman whose writings were published by the Academy of Sciences and of whom Voltaire will say, upon his death in 1749: “I lost a friend of twenty-five years: a great man whose only fault was that he was a woman”), by maintaining a tightly written narration and so well put on air, the team of this first season of “Tales of a Thousand and One Sciences” has succeeded perfectly in its attempt: to make them less arduous for us.
Also read the report: Article reserved for our subscribers Girls and mathematics, a complex equation
“The Tales of a Thousand and One Sciences », podcast narrated by Cédric Villani and produced by Véronique Samouiloff (Fr., 2023, 4 × 15 min). On France Culture and all the usual listening platforms.
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