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29: Electrons
Manage episode 341837469 series 3348378
Contenuto fornito da Steve Cohen. Tutti i contenuti dei podcast, inclusi episodi, grafica e descrizioni dei podcast, vengono caricati e forniti direttamente da Steve Cohen o dal partner della piattaforma podcast. Se ritieni che qualcuno stia utilizzando la tua opera protetta da copyright senza la tua autorizzazione, puoi seguire la procedura descritta qui https://it.player.fm/legal.
We finally reach the discovery of electrons. The path starts with experiments on electricity in small vacuum vessels and vacuum pumps, improved by Heinrich Geissler, further improved by William Crookes, and then proving that their mysterious cathode rays were matter, not light, responding to electric and magnetic fields and possessing a mass, as J.J. Thomson showed. Robert Millikan determined the actual mass of the electron. We hear about Thomas Edison's strange electrical effect, and Heinrich Hertz's photoelectric effect. Finally we end with a variety of possible models attempting to explain the structure of atoms.
- Support my podcast at https://www.patreon.com/thehistoryofchemistry
- Tell me how your life relates to chemistry! E-mail me at steve@historyofchem.com
- Get my book, O Mg! How Chemistry Came to Be, from World Scientific Publishing, https://www.worldscientific.com/worldscibooks/10.1142/12670#t=aboutBook
119 episodi
Condividi
Manage episode 341837469 series 3348378
Contenuto fornito da Steve Cohen. Tutti i contenuti dei podcast, inclusi episodi, grafica e descrizioni dei podcast, vengono caricati e forniti direttamente da Steve Cohen o dal partner della piattaforma podcast. Se ritieni che qualcuno stia utilizzando la tua opera protetta da copyright senza la tua autorizzazione, puoi seguire la procedura descritta qui https://it.player.fm/legal.
We finally reach the discovery of electrons. The path starts with experiments on electricity in small vacuum vessels and vacuum pumps, improved by Heinrich Geissler, further improved by William Crookes, and then proving that their mysterious cathode rays were matter, not light, responding to electric and magnetic fields and possessing a mass, as J.J. Thomson showed. Robert Millikan determined the actual mass of the electron. We hear about Thomas Edison's strange electrical effect, and Heinrich Hertz's photoelectric effect. Finally we end with a variety of possible models attempting to explain the structure of atoms.
- Support my podcast at https://www.patreon.com/thehistoryofchemistry
- Tell me how your life relates to chemistry! E-mail me at steve@historyofchem.com
- Get my book, O Mg! How Chemistry Came to Be, from World Scientific Publishing, https://www.worldscientific.com/worldscibooks/10.1142/12670#t=aboutBook
119 episodi
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Simile a The History of Chemistry
Come dive into one of the curiously delightful conversations overheard at National Geographic’s headquarters, as we follow explorers, photographers, and scientists to the edges of our big, weird, beautiful world. Hosted by Peter Gwin and Amy Briggs.
…
continue reading
DNA science. Artificial intelligence. Smartphones and 3D printers. Science and technology have transformed the world we live in. But how did we get here? It wasn’t by accident. Well, sometimes it was. It was also the result of hard work, teamwork, and competition. And incredibly surprising moments. Hosted by bestselling author Steven Johnson (“How We Got To Now”), American Innovations uses immersive scenes to tell the stories of the scientists, engineers, and ordinary people behind the great ...
…
continue reading
Flash Forward is a show about possible (and not so possible) future scenarios. What would the warranty on a sex robot look like? How would diplomacy work if we couldn’t lie? Could there ever be a fecal transplant black market? (Complicated, it wouldn’t, and yes, respectively, in case you’re curious.) Hosted and produced by award winning science journalist Rose Eveleth, each episode combines audio drama and journalism to go deep on potential tomorrows, and uncovers what those futures might re ...
…
continue reading
Get in-depth coverage of current and future trends in technology, and how they are shaping business, entertainment, communications, science, politics, and society.
…
continue reading
I discuss a variety of topics in both the natural and social sciences, exploring the many fascinating insights that the scientific method yields about the world around us.
…
continue reading
Stephen Fry's 7 Deady Sins - I will take each one of the Seven Sins in turn, lay them out on the surgical table and poke, prod, pry and provoke in an attempt to try to anatomise and understand them; I hope and believe it will be, if nothing else, delicious fun and something of a change from the usual run of podcastery. Hosted on Acast. See acast.com/privacy for more information.
…
continue reading
PT Inquest is an online journal club. Hosted by Jason Tuori, Megan Graham, and Chris Juneau, the show looks at an article every week and discusses how it applies to current physical therapy practice.
…
continue reading
Help me fill in the blanks of the practice of ED Critical Care. In this podcast, we discuss all things related to the crashing, critically ill patient in the Emergency Department. Find the show notes at emcrit.org.
…
continue reading
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…
continue reading
The Science Show gives Australians unique insights into the latest scientific research and debate, from the physics of cricket to prime ministerial biorhythms.
…
continue reading
Player FM - App Podcast
Vai offline con l'app Player FM !
Vai offline con l'app Player FM !
