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Petite histoire des cristaux de neige

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Serii arhivate ("Sursă inactivă" status)

When? This feed was archived on June 26, 2021 06:07 (3+ y ago). Last successful fetch was on May 24, 2021 00:47 (3+ y ago)

Why? Sursă inactivă status. Servele noastre nu au putut să preia o sursă valida de podcast pentru o perioadă îndelungată.

What now? You might be able to find a more up-to-date version using the search function. This series will no longer be checked for updates. If you believe this to be in error, please check if the publisher's feed link below is valid and contact support to request the feed be restored or if you have any other concerns about this.

Manage episode 288340256 series 2321022
Content provided by Canal Académie. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Canal Académie or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ro.player.fm/legal.
En ces derniers jours d’hiver, nous allons percer quelques mystères des flocons de neige en compagnie du mathématicien Étienne Ghys qui vient de leur consacrer une Petite histoire. L’homme de science aime s’adresser aux enfants, sans doute parce qu’il partage avec eux le sens de l’émerveillement. Dans ce livre empreint de poésie, il raconte comment les savants ont cherché à comprendre ces minuscules constructions géométriques tombées du ciel. Nous croisons des personnages extraordinaires comme Olaf Mansson, un prélat venu du nord, Johannes Kepler le précurseur, Wilson Bentley, un photographe féérique, Ukichiro Nakaya, l’inventeur de la neige artificielle... Nous apprenons comment un cristal de molécules d’eau se forme dans les nuages. Nous découvrons différents modèles mathématiques qui permettent d’expliquer sa croissance. Étienne Ghys est directeur de recherche au CNRS et secrétaire perpétuel de l’Académie des sciences.
  continue reading

137 episoade

Artwork
iconDistribuie
 

Serii arhivate ("Sursă inactivă" status)

When? This feed was archived on June 26, 2021 06:07 (3+ y ago). Last successful fetch was on May 24, 2021 00:47 (3+ y ago)

Why? Sursă inactivă status. Servele noastre nu au putut să preia o sursă valida de podcast pentru o perioadă îndelungată.

What now? You might be able to find a more up-to-date version using the search function. This series will no longer be checked for updates. If you believe this to be in error, please check if the publisher's feed link below is valid and contact support to request the feed be restored or if you have any other concerns about this.

Manage episode 288340256 series 2321022
Content provided by Canal Académie. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Canal Académie or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ro.player.fm/legal.
En ces derniers jours d’hiver, nous allons percer quelques mystères des flocons de neige en compagnie du mathématicien Étienne Ghys qui vient de leur consacrer une Petite histoire. L’homme de science aime s’adresser aux enfants, sans doute parce qu’il partage avec eux le sens de l’émerveillement. Dans ce livre empreint de poésie, il raconte comment les savants ont cherché à comprendre ces minuscules constructions géométriques tombées du ciel. Nous croisons des personnages extraordinaires comme Olaf Mansson, un prélat venu du nord, Johannes Kepler le précurseur, Wilson Bentley, un photographe féérique, Ukichiro Nakaya, l’inventeur de la neige artificielle... Nous apprenons comment un cristal de molécules d’eau se forme dans les nuages. Nous découvrons différents modèles mathématiques qui permettent d’expliquer sa croissance. Étienne Ghys est directeur de recherche au CNRS et secrétaire perpétuel de l’Académie des sciences.
  continue reading

137 episoade

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