Lightnews — Scholar-powered news

Rémi Carminati @remicarminati.bsky.social · Jul 28

Un appartement de vacances qui invite à la détente - très bel été à toutes et tous #Royan

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Reposted by Rémi Carminati

PHD Comics @phdcomics.com · Jul 13

A guide to academic event names

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Rémi Carminati @remicarminati.bsky.social · Jul 8

www.lemonde.fr/sciences/art...

Le monde des revues scientifiques au bord de l’asphyxie

Plus de trois millions d’articles sont publiés chaque année dans les revues scientifiques, les chercheurs étant incités à les multiplier pour se distinguer. Une logique économique perverse s’est insta...

www.lemonde.fr

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Reposted by Rémi Carminati

Natacha Triou @natachatriou.bsky.social · Jun 13

Une des plus grandes institutions culturelles scientifiques de ce pays est en danger.

👉Une pétition pour le Palais de la découverte
chng.it/XsXjczbN55

Cette campagne a besoin de vous

Sauvons le Palais de la découverte

chng.it

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Rémi Carminati @remicarminati.bsky.social · May 9

Bravo à @institutfresnel.bsky.social pour ces 25 années réussies ! Et ravi de participer à la fête scientifique le 9 juillet @espciparispsl.bsky.social #IOGS @instlangevin.bsky.social

Institut Fresnel @institutfresnel.bsky.social · May 9

🎂🥂 Notre labo fêtera ses 25 ANS mercredi 9 juillet !
📍Campus St Jérôme
🕘 De 9H à 17H30, Conférences @slfort.bsky.social #ISMO @remicarminati.bsky.social #IOGS Matteo Barsuglia #APC & Philippe Lalanne #LP2N
UMR @univ-amu.fr @cnrsingenierie.bsky.social @cnrs-dr12.bsky.social @centralemed.bsky.social

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Reposted by Rémi Carminati

Optics & Photonics News @optica-opn.org · May 8

Sea-ice loss is changing the color of light that is reaching the ocean and its inhabitants.

This may cause changes in photosynthetic microorganisms, like phytoplankton, affecting the entire marine food web.

Read the story: bit.ly/3Z40uti 💡🧪⚛️

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Reposted by Rémi Carminati

Jacopo Bertolotti @jacopobertolotti.com · Apr 23

#PhysicsJournalClub
"Temperature as joules per bit"
by C.A. Bédard, S. Berthelette, X. Coiteux-Roy, and S. Wolf

Am. J. Phys. 93, 390 (2025)
doi.org/10.1119/5.01...

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#Physics #Entropy #Thermodynamics

Temperature as joules per bit

Editor's Note: Information is closely related to entropy, but information is measured in bits and entropy is measured in joules per kelvin. In this article, the

doi.org

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Reposted by Rémi Carminati

Bernard Valeur @bvaleur.bsky.social · Apr 20

Les incontournables chocolats de Pâques !
C’est l’occasion de parler de cristallisation du chocolat, mais aussi de l’origine de ses couleurs variées : marron foncé, marron clair, ivoire, blond, rose, bleu, orange.
Toutes ces couleurs sont expliquées dans mon article
👉 tinyurl.com/4tvn9yyc

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Rémi Carminati @remicarminati.bsky.social · Apr 14

Opening - Postdoctoral position in light scattering from complex materials.

Want to learn about light scattering from materials with partial order and their applications ? Join us at @instlangevin.bsky.social @espciparispsl.bsky.social

www.institut-langevin.espci.fr/optical_prop...

Institut Langevin - Ondes et Images : Optical properties of complex disordered materials with structural correlations

Site de l’Institut Langevin (Ondes et Images), ESPCI

www.institut-langevin.espci.fr

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Reposted by Rémi Carminati

Eric Lagadec @ericlagadec.bsky.social · Mar 4

Je me demandais où envoyer Musk et Trump pour être tranquille... En Ardèche ils ont trouvé la solution !

Panneau de signalisation avec destination Mars et golf

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Reposted by Rémi Carminati

Physics Magazine @physicsmagazine.bsky.social · Feb 10

This year is the International Year of Quantum Science and Technology. To celebrate, we are republishing stories on the history of quantum physics from our archives.

Quantum Milestones, 1928: The Dirac Equation Unifies Quantum Mechanics and Special Relativity

A seminal paper by Paul Dirac, who relied on mathematical intuition, laid the foundation for quantum electrodynamics.

physics.aps.org

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Reposted by Rémi Carminati

Hervé Dole @hervedole.bsky.social · Feb 8

«Trust in scientists and their role in society across 68 countries» by Cologna et al. 2024
www.nature.com/articles/s41...

We «found that in most countries, most people trust scientists and agree that scientists should engage more in society and policymaking. We found variations between countries»

Trust in scientists and their role in society across 68 countries - Nature Human Behaviour

What is the state of trust in scientists around the world? To answer this question, the authors surveyed 71,922 respondents in 68 countries and found that trust in scientists is moderately high.

www.nature.com

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Reposted by Rémi Carminati

John Dudley @johnmdudley.bsky.social · Jan 26

I just discovered this remarkable article by Claude Cohen-Tannoudji on Nobel laureate and atomic physics pioneer Alfred Kastler. What a story, and what an example! Direct download link here: www.fnak.fr/en/wp-conten...

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Rémi Carminati @remicarminati.bsky.social · Dec 20

Ready to join !

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Rémi Carminati @remicarminati.bsky.social · Dec 20

Aller au bout du « big bang » académique en cours pour tirer le meilleur de nos formations, de notre recherche et de notre capacité à transférer positivement vers la société.

Tribune avec Charles-Edouard Delpierre.

www.lepoint.fr/science/il-f...

Il faut un big bang pour l’enseignement scientifique

TRIBUNE. Il est temps d’adapter le système académique français pour qu’il brille de nouveau à l’international, défendent les scientifiques Rémi Carminati et Charles-Édouard Delpierre.

www.lepoint.fr

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Reposted by Rémi Carminati

Saúl Ares @omeuxeito.bsky.social · Dec 13

Excellent read. Entropy as a measure of ignorance, and, therefore, subjective. The interactive figures are very illustrative.

Quanta Magazine @quantamagazine.bsky.social · Dec 13

The second law of thermodynamics states that a quantity called entropy is on the rise, indicating that the universe is predisposed to disorder. But the idea of entropy is evolving. www.quantamagazine.org/what-is-entr...

What Is Entropy? A Measure of Just How Little We Really Know. | Quanta Magazine

Exactly 200 years ago, a French engineer introduced an idea that would quantify the universe’s inexorable slide into decay. But entropy, as it’s currently understood, is less a fact about the world th...

www.quantamagazine.org

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Rémi Carminati @remicarminati.bsky.social · Dec 1

Nice ! I will take a look at the papers. Seems to be interesting for waves in time-varying media where parametric PDEs show up (?)

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Reposted by Rémi Carminati

Prince Guma @princeguma.bsky.social · Nov 27

Is BlueSky the new “Science Twitter” for real this time? open.substack.com/pub/mixture/...

Is BlueSky the new “Science Twitter” for real this time?

At least it feels a lot like old science Twitter, and now science journals and organisations are joining as well.

open.substack.com

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Reposted by Rémi Carminati

Julien Bobroff @julien-bobroff.bsky.social · Nov 30

Comment faire flotter des atomes en direct ? Démonstration et explications en 2minutes, et je vous dis aussi à quoi ça sert : youtube.com/shorts/Q_A1Z...

Faire flotter des atomes en direct ! (vidéo n°405)

YouTube video by Julien Bobroff

youtube.com

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Rémi Carminati @remicarminati.bsky.social · Nov 25

To start with something cool on 🦋 let me put forward the fascinating topic of waves in time-varying media. More precisely we like RANDOM time modulations. Our latest work shows that causality simplifies the multiple scattering problem. But a field instability shows up.
search.app/iLVpMzFwbp6P...

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