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Content provided by Markus Voelter and Nora Ludewig. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Markus Voelter and Nora Ludewig 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://player.fm/legal.
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303 - Das SI System der Einheiten
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Manage episode 367606189 series 71279
Content provided by Markus Voelter and Nora Ludewig. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Markus Voelter and Nora Ludewig 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://player.fm/legal.
Gast: Hansjörg Scherer Host: Markus Voelter Shownoter: Fabian Zeisberger
Die SI Einheiten sind das Fundament der modernen Metrologie. Sie legen ein System von sieben grundlegenden physikalischen Größen sowie deren numerischen Werte fest. Darauf basierend werden dann andere Einheiten abgeleitet. Aktuell basieren einige Einheiten noch auf Prototypen wie dem Urkilogramm. Um davon wegzukommen wird am 20. Mai eine neue, ausschließlich auf fundamentalen Naturkonstanten beruhende Version des SI Systems in Kraft treten. In dieser Folge unterhalten wir uns über das aktuelle und das neue System mit unserem Gast Hansjörg Scherer von der PTB.
Einleitung und Vorstellung Hansjörg Scherer
00:01:30Physikalisch-Technische Bundesanstalt (PTB) | Elektrische Quantenmetrologie | Metrologie | Kalibrierung | Eichung | Internationales Einheitensystem (SI) | Meterkonvention | DIN-Norm | Internationale Organisation für Normung (ISO) | ISO 17025 (Englisch) | Größe | Dimension | Einheit | Basisgrößen | CGS-Einheitensystem | Grad Celsius | Boltzmann-Konstante | Meile | Kilogramm | Kelvin | Sekunde | Meter | Ampere | Newton | Magnetische Permeabilität | Elektrische Feldkonstante | Stromwaage | Josephson-Effekt | Quanten-Hall-Effekt | Mol | Candela
Neudefinition des SI-Systems
00:36:13ITS-90 | Elementarladung | Plancksches Wirkungsquantum | Avogadro-Konstante | Photometrisches Strahlungsäquivalent (Watt- oder Kibble-Waage) | Avogadroprojekt | Bit
Arbeit von Dr. Scherer
01:06:46OT 285 Supraleiter (Englisch) | Tunneleffekt | Hall-Effekt | Feinstrukturkonstante
347 episodes
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Manage episode 367606189 series 71279
Content provided by Markus Voelter and Nora Ludewig. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Markus Voelter and Nora Ludewig 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://player.fm/legal.
Gast: Hansjörg Scherer Host: Markus Voelter Shownoter: Fabian Zeisberger
Die SI Einheiten sind das Fundament der modernen Metrologie. Sie legen ein System von sieben grundlegenden physikalischen Größen sowie deren numerischen Werte fest. Darauf basierend werden dann andere Einheiten abgeleitet. Aktuell basieren einige Einheiten noch auf Prototypen wie dem Urkilogramm. Um davon wegzukommen wird am 20. Mai eine neue, ausschließlich auf fundamentalen Naturkonstanten beruhende Version des SI Systems in Kraft treten. In dieser Folge unterhalten wir uns über das aktuelle und das neue System mit unserem Gast Hansjörg Scherer von der PTB.
Einleitung und Vorstellung Hansjörg Scherer
00:01:30Physikalisch-Technische Bundesanstalt (PTB) | Elektrische Quantenmetrologie | Metrologie | Kalibrierung | Eichung | Internationales Einheitensystem (SI) | Meterkonvention | DIN-Norm | Internationale Organisation für Normung (ISO) | ISO 17025 (Englisch) | Größe | Dimension | Einheit | Basisgrößen | CGS-Einheitensystem | Grad Celsius | Boltzmann-Konstante | Meile | Kilogramm | Kelvin | Sekunde | Meter | Ampere | Newton | Magnetische Permeabilität | Elektrische Feldkonstante | Stromwaage | Josephson-Effekt | Quanten-Hall-Effekt | Mol | Candela
Neudefinition des SI-Systems
00:36:13ITS-90 | Elementarladung | Plancksches Wirkungsquantum | Avogadro-Konstante | Photometrisches Strahlungsäquivalent (Watt- oder Kibble-Waage) | Avogadroprojekt | Bit
Arbeit von Dr. Scherer
01:06:46OT 285 Supraleiter (Englisch) | Tunneleffekt | Hall-Effekt | Feinstrukturkonstante
347 episodes
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Similar to omega tau - English only
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
How can we, humans, look at our relationship to nature differently? In season three of Going Wild, on top of stories about animals, we invite you to journey through the entire ecological web — from the tiniest of life forms to apex predators — alongside the scientists, activists and adventurers who study it. Wildlife biologist and host Dr. Rae Wynn-Grant has been studying wild animals in their natural habitats all over the world for years. Our award-winning podcast takes you inside the hidde ...
…
continue reading
Emergency Medicine Cases – Where the Experts Keep You in the Know. For show notes, quizzes, videos and more learning tools please visit emergencymedicinecases.com
…
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
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
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
A fun-filled discussion of the big, mind-blowing, unanswered questions about the Universe. In each episode, Daniel Whiteson (a Physicist who works at CERN) and Jorge Cham (a popular online cartoonist) discuss some of the simple but profound questions that people have been wondering about for thousands of years, explaining the science in a fun, shorts-wearing and jargon-free way.
…
continue reading
A myriad of AI, science, and technology experts explore the real challenges and enormous opportunities facing entrepreneurs who are building the future of health. Raising Health, a podcast by a16z Bio + Health and hosted by Kris Tatiossian and Olivia Webb, dives deep into the heart of biotechnology and healthcare innovation. Join veteran company builders, operators, and investors Vijay Pande, Julie Yoo, Vineeta Agarwala, and Jorge Conde, along with distinguished guests like Mark Cuban, Greg ...
…
continue reading
Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.
…
continue reading
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