Podcasts about totani

La materia oscura es un misterioso elemento presente en grandes cantidades en nuestro universo. Es tan abundante que las galaxias, que son estructuras muy grandes, están "nadando" dentro de nubes de materia oscura que a veces pueden ser diez veces más grandes que la galaxia que acogen. Pese a su abundancia, estudiar la materia oscura es muy difícil, porque es invisible: la luz la atraviesa, como si fuera el más transparente de los cristales. Es posible, además, que sea también impalpable, o sea: que pase a través de nuestros cuerpos como si fuera un fantasma. Por fortuna, hay algo de la materia oscura que sí podemos "ver": su gravedad. Sabemos dónde está acumulada porque las estrellas y las galaxias responden a la gravedad de esas grandes nubes, y gracias a ello podemos elaborar "mapas" un poco toscos que nos dicen dónde es abundante y dónde es escasa. Además de esto, creemos que esas zonas que acumulan grandes cantidades de materia oscura podrían también emitir un tenue fulgor: luz, infrarrojos o, más probablemente, rayos X y rayos gamma. Esto sería el resultado de interacciones entre las partículas de materia oscura que sólo pueden ocurrir cuando están muy cerca unas de otras. Hoy os contamos que el cosmólogo japonés Tomonori Totani cree haber identificado este tenue fulgor en los rayos gamma de la Vía Láctea. Es un análisis complejo, que consiste en tomar todos los rayos gamma procedentes de nuestra galaxia y eliminar de ellos las cosas que *no* son materia oscura: púlsares, agujeros negros, gas caliente y una decena más de cosas. Tras retirar todas estas fuentes conocidas Totani dice que aún queda un resplandor que encaja con la acumulación de materia oscura en torno al centro de nuestra galaxia. Os contamos todo esto con la ayuda de Valentina de Romeri, que es física teórica e investigadora en el Instituto de Física Corpuscular de Valencia. Si queréis leer el artículo original, se trata de "20 GeV halo-like excess of the Galactic diffuse emission and implications for dark matter annihilation", de Tomonori Totani. Lo podéis encontrar aquí: https://iopscience.iop.org/article/10.1088/1475-7516/2025/11/080 Si os interesa profundizar en esta noticia hemos hablado de ella en nuestro pódcast hermano, La Brújula de la Ciencia: buscad el episodio s15e07. También podéis aprender más sobre materia oscura en otros capítulos de ambos pódcasts: en Aparici en Órbita tenéis los s01e09, s01e49 y s06e10; y en La Brújula de la Ciencia podéis escuchar los s04e26, s01e13, s08e20, s04e13, s10e31, s06e34, s06e20 y s13e04. Este programa se emitió originalmente el 11 de diciembre de 2025. Podéis escuchar el resto de audios de Más de Uno en la app de Onda Cero y en su web, ondacero.es

Esta semana os explicamos una de las noticias científicas del otoño: la detección de rayos gamma de nuestra galaxia que podrían venir de materia oscura. La idea es sencilla: nuestra galaxia, al igual que todas las demás, está inmersa en una nube de materia oscura cuya forma exacta y composición desconocemos. En principio la materia oscura no emite ni absorbe luz, pero si está formada por partículas lo más probable es que no sea imposible que emita luz: sólo muy muy improbable. Así que si apuntamos con nuestros telescopios a lugares donde (presuntamente) hay una gran concentración de materia oscura quizá podríamos ver "más luz de la que deberíamos"; quizá podríamos ver un leve resplandor procedente de la nube de materia oscura. Eso es lo que ha hecho el cosmólogo japonés Tomonori Totani, en concreto con rayos gamma procedentes del halo de nuestra galaxia. El halo es la esfera que envuelve a nuestra galaxia y en la que se encuentran las órbitas de los cúmulos globulares y de algunas estrellas; presuntamente, también debería tener grandes cantidades de materia oscura. En el halo hay más cosas además de la materia oscura, claro, y el análisis consiste en identificar todas esas cosas y restarlas de los datos experimentales. Si después de hacer eso sobra algo... entonces ese algo podría venir de la materia oscura. Y, según el análisis de Totani, sí sobra algo. Si se trata de materia oscura o no es algo que habrá de dilucidarse en el futuro. Si queréis leer el artículo original, se trata de "20 GeV halo-like excess of the Galactic diffuse emission and implications for dark matter annihilation", de Tomonori Totani. Lo podéis encontrar aquí: https://iopscience.iop.org/article/10.1088/1475-7516/2025/11/080 Si os interesa aprender más sobre materia oscura, hemos hablado sobre ella otras veces en el programa. Repasad los episodios s04e26, s01e13, s08e20, s04e13, s10e31, s06e34, s06e20 y s13e04. También podéis escuchar algunos episodios de nuestro pódcast hermano, Aparici en Órbita: buscad allí los capítulos s01e09, s01e49 y s06e10. Este programa se emitió originalmente el 2 de diciembre de 2025. Podéis escuchar el resto de audios de La Brújula en la app de Onda Cero y en su web, ondacero.es

FIA Girls on Track is a global, not-for-profit initiative - initially launched by former Formula 1 development driver Susie Wolff as 'Dare To Be Different'. In Australia the program is backed by Motorsport Australia. We offer school girls aged 8-18 a unique opportunity to participate in our free Girls on Track events. The goal of the program is to grow interest in STEM subjects and industries amongst school girls with the aim of increasing female participation in these sectors, using motorsport as a tool to expose them to the incredible opportunities and career paths.

Filippo Totani, è Laureato in Ingegneria Gestionale e Business Management.Conosciuto online e sui social con l'acronimo di @astro_filo si occupa di divulgazionescientifica in ambito spaziale e astronautico.
 Assieme a Ruggero Rollini e Stefano Bertacchi, ha ideato un nuovo format divulgativo chiamato 5X5 che racconta la scienza in breve nelle piazze d'Italia.

Andrew Hayes and Adam Cooney had a chat to self-confessed “car tart” David Totani from Mawson Lakes Mazda.

Seguimi su Instagram: https://www.instagram.com/sandrociarlarielloSegui Filippo Totani su Instagram: https://www.instagram.com/astro_filo/Per interagire con noi: scrivici qui sotto o su Telegram e leggeremo i tuoi commenti in diretta.Contatto Telegram: http://t.me/podcast_parsec

Special "Thank You" to all our guest speakers today!Agents with RE/MAX ProfessionalsRob Blumenstein 630-991-7424soldwithrob@gmail.comKevin Glover630-248-8869kevingloverrealtor@gmail.comMargaret Heckendorn630-470-4181mheckendorn7@gmail.comBIGGEST THANK YOU to Chris TotaniGuaranteed Rate630-864-3771Chris.Totani@rate.com

Dove si parla con ANDREA MORELLO, direttore di Sea Shepherd Italia, di Operazione Siso, di Capodoglio, di Isole Eolie, di reti illegali, di Guardia Costiera, di Delfini, di Totani, di pescatori, di Careta Careta, di Stromboli, di Salina, di Filicudi, di Aeolian island Preservation Fund, di granita, di ENRICO SALIERNO

Dove si parla con ANDREA MORELLO, direttore di Sea Shepherd Italia, di Operazione Siso, di Capodoglio, di Isole Eolie, di reti illegali, di Guardia Costiera, di Delfini, di Totani, di pescatori, di Careta Careta, di Stromboli, di Salina, di Filicudi, di Aeolian island Preservation Fund, di granita, di ENRICO SALIERNO (seconda parte)

Dove si parla con ANDREA MORELLO, direttore di Sea Shepherd Italia, di Operazione Siso, di Capodoglio, di Isole Eolie, di reti illegali, di Guardia Costiera, di Delfini, di Totani, di pescatori, di Careta Careta, di Stromboli, di Salina, di Filicudi, di Aeolian island Preservation Fund, di granita, di ENRICO SALIERNO (seconda parte)

Most everyone has heard of the Nuremberg Trials. Popular books have been written about them. Hollywood made movies about them. Some of us can even name a few of the convicted (Hermann Goering, Albert Speer, etc.). But fewer of us know about what might be called “Nuremberg East,” that is, the Toyko trials held after the defeat of the Japanese in World War Two. These proceedings generated few books, no movies, and therefore occupy only a minor place in Western historical memory. Thanks to Yuma Totani’s excellent book, The Tokyo War Crimes Trials. The Pursuit of Justice in the Wake of World War II (Harvard, 2008; also available in Japanese here), that may change. We should hope it does, because the Tokyo trials were important. They not only helped the Japanese come to terms with what their government and military had done during the war (truth be told, they are still coming to terms with it today), but it also set precedents that are still being applied in international law today. More than that, Totani offers a challenging interpretation of the trials. They weren’t so much “victor’s justice” (the common interpretation in Japan) as a lost opportunity. Reading her book one can’t help but get the feeling that the Americans and their confederates bungled the trials badly. Instead of trying to establish personal responsibility in all cases, the Allies simply arrested the upper echelons of the Japanese civil and military elite and selected those who were “representative” for indictment. Those who were not indicted–though probably just as culpable as those who were–were set free, giving rise to the myth that they had brokered deals with the Americans. The prosecution was headed by an inattentive alcoholic (Joseph Keenan) who preferred interrogating the accused to gathering hard documentary evidence. The defense was comprised of ill-prepared Japanese attorneys and their less-than-helpful Allied aids. Confusion reigned in the courtroom. And of course there were significant translation problems throughout. The trials were something of a farce. I always wondered why many Japanese today don’t think very highly of the Tokyo proceedings. Now, thanks to Yuma Totani’s informative book, I have a better understanding of why. Please become a fan of “New Books in History” on Facebook if you haven’t already. Learn more about your ad choices. Visit megaphone.fm/adchoices

Most everyone has heard of the Nuremberg Trials. Popular books have been written about them. Hollywood made movies about them. Some of us can even name a few of the convicted (Hermann Goering, Albert Speer, etc.). But fewer of us know about what might be called “Nuremberg East,” that is, the Toyko trials held after the defeat of the Japanese in World War Two. These proceedings generated few books, no movies, and therefore occupy only a minor place in Western historical memory. Thanks to Yuma Totani’s excellent book, The Tokyo War Crimes Trials. The Pursuit of Justice in the Wake of World War II (Harvard, 2008; also available in Japanese here), that may change. We should hope it does, because the Tokyo trials were important. They not only helped the Japanese come to terms with what their government and military had done during the war (truth be told, they are still coming to terms with it today), but it also set precedents that are still being applied in international law today. More than that, Totani offers a challenging interpretation of the trials. They weren’t so much “victor’s justice” (the common interpretation in Japan) as a lost opportunity. Reading her book one can’t help but get the feeling that the Americans and their confederates bungled the trials badly. Instead of trying to establish personal responsibility in all cases, the Allies simply arrested the upper echelons of the Japanese civil and military elite and selected those who were “representative” for indictment. Those who were not indicted–though probably just as culpable as those who were–were set free, giving rise to the myth that they had brokered deals with the Americans. The prosecution was headed by an inattentive alcoholic (Joseph Keenan) who preferred interrogating the accused to gathering hard documentary evidence. The defense was comprised of ill-prepared Japanese attorneys and their less-than-helpful Allied aids. Confusion reigned in the courtroom. And of course there were significant translation problems throughout. The trials were something of a farce. I always wondered why many Japanese today don’t think very highly of the Tokyo proceedings. Now, thanks to Yuma Totani’s informative book, I have a better understanding of why. Please become a fan of “New Books in History” on Facebook if you haven’t already. Learn more about your ad choices. Visit megaphone.fm/adchoices

Most everyone has heard of the Nuremberg Trials. Popular books have been written about them. Hollywood made movies about them. Some of us can even name a few of the convicted (Hermann Goering, Albert Speer, etc.). But fewer of us know about what might be called “Nuremberg East,” that is, the Toyko trials held after the defeat of the Japanese in World War Two. These proceedings generated few books, no movies, and therefore occupy only a minor place in Western historical memory. Thanks to Yuma Totani’s excellent book, The Tokyo War Crimes Trials. The Pursuit of Justice in the Wake of World War II (Harvard, 2008; also available in Japanese here), that may change. We should hope it does, because the Tokyo trials were important. They not only helped the Japanese come to terms with what their government and military had done during the war (truth be told, they are still coming to terms with it today), but it also set precedents that are still being applied in international law today. More than that, Totani offers a challenging interpretation of the trials. They weren’t so much “victor’s justice” (the common interpretation in Japan) as a lost opportunity. Reading her book one can’t help but get the feeling that the Americans and their confederates bungled the trials badly. Instead of trying to establish personal responsibility in all cases, the Allies simply arrested the upper echelons of the Japanese civil and military elite and selected those who were “representative” for indictment. Those who were not indicted–though probably just as culpable as those who were–were set free, giving rise to the myth that they had brokered deals with the Americans. The prosecution was headed by an inattentive alcoholic (Joseph Keenan) who preferred interrogating the accused to gathering hard documentary evidence. The defense was comprised of ill-prepared Japanese attorneys and their less-than-helpful Allied aids. Confusion reigned in the courtroom. And of course there were significant translation problems throughout. The trials were something of a farce. I always wondered why many Japanese today don’t think very highly of the Tokyo proceedings. Now, thanks to Yuma Totani’s informative book, I have a better understanding of why. Please become a fan of “New Books in History” on Facebook if you haven’t already. Learn more about your ad choices. Visit megaphone.fm/adchoices

Most everyone has heard of the Nuremberg Trials. Popular books have been written about them. Hollywood made movies about them. Some of us can even name a few of the convicted (Hermann Goering, Albert Speer, etc.). But fewer of us know about what might be called “Nuremberg East,” that is, the Toyko trials held after the defeat of the Japanese in World War Two. These proceedings generated few books, no movies, and therefore occupy only a minor place in Western historical memory. Thanks to Yuma Totani’s excellent book, The Tokyo War Crimes Trials. The Pursuit of Justice in the Wake of World War II (Harvard, 2008; also available in Japanese here), that may change. We should hope it does, because the Tokyo trials were important. They not only helped the Japanese come to terms with what their government and military had done during the war (truth be told, they are still coming to terms with it today), but it also set precedents that are still being applied in international law today. More than that, Totani offers a challenging interpretation of the trials. They weren’t so much “victor’s justice” (the common interpretation in Japan) as a lost opportunity. Reading her book one can’t help but get the feeling that the Americans and their confederates bungled the trials badly. Instead of trying to establish personal responsibility in all cases, the Allies simply arrested the upper echelons of the Japanese civil and military elite and selected those who were “representative” for indictment. Those who were not indicted–though probably just as culpable as those who were–were set free, giving rise to the myth that they had brokered deals with the Americans. The prosecution was headed by an inattentive alcoholic (Joseph Keenan) who preferred interrogating the accused to gathering hard documentary evidence. The defense was comprised of ill-prepared Japanese attorneys and their less-than-helpful Allied aids. Confusion reigned in the courtroom. And of course there were significant translation problems throughout. The trials were something of a farce. I always wondered why many Japanese today don’t think very highly of the Tokyo proceedings. Now, thanks to Yuma Totani’s informative book, I have a better understanding of why. Please become a fan of “New Books in History” on Facebook if you haven’t already. Learn more about your ad choices. Visit megaphone.fm/adchoices