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What a Crêpe Can Teach Us About Physics

3/28/2026

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When a Crêpe Becomes a Matter of Physics


​A crêpe is not usually the first object that comes to mind in a physics lab. In Brittany, it belongs more naturally to the family table, the local crêperie or the summer festival than to the world of equations and mechanical models.

And yet that is exactly where it has now appeared.

In a recent study led by researcher Tom Marzin, the crêpe becomes a serious subject of scientific inquiry. The paper, titled The Physics of Crêpes: Elasto-gravity control of soft folding, asks a simple question: what happens when a soft, thin object folds under its own weight?

The answer is more interesting than it may first appear. By studying folded crêpes alongside other flexible materials, the researchers show that this familiar Breton staple can help explain how soft sheets bend, hold their shape, store energy and unfold. It is a reminder that science often begins with ordinary objects, observed closely.

The crêpe is one of Brittany’s most recognisable cultural symbols. To see it enter the language of modern physics is both amusing and meaningful. 

​
A Breton Classic, Observed Differently

​The starting point of the research is simple: fold a crêpe and watch what happens.
Unlike a sheet of paper, a crêpe does not form a hard crease. It bends softly. It curves. It settles into place under the combined effect of its own flexibility and its weight. In scientific terms, this is what the researchers call soft folding.

That distinction matters. A great deal of folding science has focused on rigid materials or folds created by sharp creases. But many materials in everyday life do not behave that way. Fabrics, thin films, membranes and food items like crêpes belong to another category altogether. They fold without hinges. Their shape emerges from a balance of forces rather than from a fixed line.

That is what makes the crêpe so useful as a model. It is round, thin, soft and immediately legible. Anyone can see the phenomenon. The fold is not abstract. It happens on a plate.
There is also something fitting in the fact that a Breton food should become the basis of this kind of experiment. Brittany has long been associated with forms of knowledge that are practical, embodied and handed down through gesture as much as through theory. Cooking is one of them. The making of crêpes involves texture, timing, temperature and technique. It is not physics in the academic sense, but it is certainly an intimate understanding of matter.

The study suggests that a crêpe cannot be folded indefinitely: in practice, the limit is only a few stable folds, with around four folds serving as a useful rule of thumb for a crêpe-sized circular sheet.


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What the Study Shows


​At the centre of the paper is the idea that a soft fold is governed by a balance between two forces: elasticity, which resists bending, and gravity, which pulls the sheet downward. From that balance, the researchers define what is known as an elasto-gravity length, a characteristic scale that helps predict how the fold behaves.

Once that scale is identified, it becomes possible to predict several features of the folded object: its shape, its height, its stability and its tendency to open again. A folded crêpe may look informal or irregular, but its behaviour is not random. It follows a mechanical logic.

The researchers compare crêpes with other soft materials, including thin synthetic sheets, and find that the same basic principles apply across all of them. That is what gives the work its broader significance. The crêpe is not just an amusing example. It is part of a larger family of soft, flexible systems.

The paper also looks at what makes a fold stable. Some folded shapes remain in place. Others do not. At a certain point, the geometry no longer supports the configuration and the object unfolds. The study shows that this threshold can be understood and predicted.
It also answers a question many readers will immediately ask: how many times can you fold a crêpe? Not indefinitely. For circular sheets like crêpes, the number of possible stable folds is limited by geometry, and in practice the paper points to only a few successive folds. As a reader-friendly rule of thumb, around four folds is a fair summary for a crêpe-sized circular sheet, though the exact limit depends on size and flexibility rather than one fixed universal number.

The study goes further still. It examines the volume enclosed by folds and the speed at which a folded object unfolds once stability is lost. In both cases, the behaviour follows identifiable physical laws. The fold is not just a shape. It is a dynamic state, governed by stored energy and release.

Why It Matters Beyond the Crêpe

​The obvious pleasure of this research lies in its subject. But the point of the work reaches well beyond Breton gastronomy.


Soft folding matters in many areas of science and engineering. Flexible materials are now used in packaging, soft robotics, membranes, medical devices and deployable structures. In all of these cases, the same questions arise. How can a thin sheet be folded compactly without damage? How stable will it be? When released, how will it deploy? The researchers present their results as a way to think more clearly about compact storage and gravity-assisted deployment in soft materials.

That is why the crêpe matters here. Not because it is quaint, but because it makes the physics visible. It turns an abstract problem into something immediate. The folded crêpe becomes a bridge between the domestic and the scientific.

That bridge is also cultural. Breton identity is often represented through food, but not always in ways that feel substantial. Too often, regional cuisine is reduced to image or cliché. What this study offers instead is another way of looking at a cultural object. The crêpe remains rooted in tradition, but it is also revealed as a structure with material intelligence.

​That is a useful reminder. Culture is not separate from knowledge. It often contains it.


FURTHER READING: Discover the history of crepes 


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Louis Michot en Bretagne cet été au Festival Interceltique

3/15/2026

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louis michot

Louis Michot célèbre les liens entre la Louisiane et la Bretagne


​Nous sommes ravis de partager que l’artiste louisianais Louis Michot se produira en Bretagne cet été dans le cadre du Festival Interceltique de Lorient. Voix essentielle de la scène musicale louisianaise, Louis Michot s’attache à faire vivre la langue et les traditions culturelles de Louisiane, qu’il a déjà mises à l’honneur à travers plusieurs collaborations avec Breizh Amerika.

​Double lauréat des Grammy Awards, il incarne une création artistique à la fois profondément enracinée et résolument ouverte sur le monde.

À l’occasion de cette belle annonce, il revient avec nous sur son parcours, les liens musicaux entre la Louisiane et la Bretagne, et ce que représente pour lui cette invitation à se produire en Bretagne cet été.
​


Parlez-nous de vous et de votre groupe?

Je suis surtout connu comme chanteur et violinist pour les Lost Bayou Ramblers, un groupe de musique “Cadjien” de Louisiane et le gagant du deux prix Grammy, et en même temps je donne des performances solo, et avec mon group SWAMP MAGIC, compri de Bryan Webre et Jonny Campos de Lost Bayou Ramblers, et Evan Ceaser de la Nouvelle Orléans sur les tambours. Depuis à l’age de 15 ans, je joue avec Les Frères Michot avec mon père et mes oncles, et ma passion pour le Français Louisianais, le folklore régional, et la renouvelabilité sur le paye qui se disparaît le plus vite du monde, ce à l'essence de ma carrière de musique. 

Rêve du Troubadour, mon premier album solo, a été lancé en Septembre 2023, et le groupe SWAMP MAGIC à était former de jouer ces pieces sur scene. Je suis accompagné par invités spéciaux sur ces enregistrements incluent guitariste Touareg de Niger, Bombino, et aussi la chanteuse et celliste connue pour sa représentation d'Haïti, Leyla McCalla, et saxophonist avant-garde Dickie Landry, entre autres. Connu d’habitude comme violinist, je joue premièrement de la guitare sur l’album solo, et aussi l'accordéon, bass, et programmations des beats.

Les performances de Louis Michot et SWAMP MAGIC présentent des selections dynamique original et des bijoux anciens réimaginer sur les instruments traditionels et moderns. Les chansons de SWAMP MAGIC varie des danses Zydeco au balades de l’ambiance pensif et au nouvelles melodies originales. 


Existe-t-il des liens musicaux entre la Louisiane et la Bretagne ? 

Les liens entre la musiques de Louisiane et la Bretagne me resemble tres fort, mais peut explorer. Le debut de cet connection, pour moi, c’est à l’entour de la chanson “Le Jument de Michot”, que mon oncle Bobby Michot à ramener ici en Louisiana apres avoir apris en Bretagne plus que trents ans passé. Depuis qu’on aà commencer de jouer cette chanson avec Les Frères Michot, et asteur avec SWAMP MAGIC, on à trouver un lien tres fort avec les musiciens de Bretagne, et en plus ça partage le nom de ma famille, et on avait plein des Juments qui ont “manger tout le foin” avant l’hiver est arriver, comme ell edit la chanson!

​Cet voyage à Lorient serait mon troisième opportunité de collaborer avec des musiciens Breton, comme en 2025 j’ai jouer avec deux musiciens Breton amener en Louisiane par Breizh Amerika, et aussi en 2014 je faisais partie d’un jumelage avec les musiciens de Lafayette et de Redon de Arnaudville, ici ou je reste en Louisiane. On à partager des chansons Cajun et Breton entre un et l’autre, et on aussi trouver plusieurs chansons en commun, et les melodies et rhythms tres similaire, et je suis bien intrigué de suivre ce connection plus profondement au Festival Interceltique.



Vous avez participé a une Breizh Amerika Collab en octobre dernier ; pouvez-vous nous en parler ? 


Le collaboration mit ensemble pas Breizh Amerika l’année passer pendant le Festival Acadiens et Créole et magnifique. Charles Kergaravat nous à mit en contact avec Simon Creachcadec et Tanguy Soubigou avant de leur arrive en Louisiane, et on a trouver quelques morceau de musique de chaque bord pour apprends, et la première fois qu’on a jouer ensemble c’etait live avant le publique!

​Ces deux musiciens ont monter sur le scene avec Lost Bayou Ramblers au Blue Moon Saloon à Lafayette le Samedi soir, et on a jouer une chanson Breton, et la foule l’adorer, et nous-autres aussi, et puis ils ont jouer sur un tune Cajun, et on a fini avec La Jument de Michot et le monde n’ont pas arrêter de danser.
Vous vous produirez au Festival Interceltique 2026. Qu'est-ce que cela représente pour vous ?
​

Notre debut au Festival Interceltique c’est tres important pour nous, pas seulement de continuer à suivre le lien entre les musiques Breton et Cadjien, mais aussi de faire parti d’un connection des sous-cultures qui tiens fort à prosperer contre les pressures sociaux et politiques.

​En Louisiane, on est tres petite en quantité comparer aux Americains à l’entour, et le transmission de notre langue et la connaissance des traditions c’est pas evident à continuer, mais c’est tres importants que ça reste vibrant, voulu, et soutenu. On à beaucoup d’apprends par rapport a à l’experience Breton.


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