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Bridge the Gap
TU Graz
13 episodes
3 days ago
How does a star like our Sun actually work? What fuels this giant ball of gas—and how does it change over time? And where do the elements of the periodic table really come from?
 In this episode, we explore these cosmic questions with our guest, Professor Alexander Shapiro from the University of Graz.
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Physics
Science
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All content for Bridge the Gap is the property of TU Graz and is served directly from their servers with no modification, redirects, or rehosting. The podcast is not affiliated with or endorsed by Podjoint in any way.
How does a star like our Sun actually work? What fuels this giant ball of gas—and how does it change over time? And where do the elements of the periodic table really come from?
 In this episode, we explore these cosmic questions with our guest, Professor Alexander Shapiro from the University of Graz.
Show more...
Physics
Science
Episodes (9/13)
Bridge the Gap
Laser spectroscopy
What is matter made of? If we could zoom in to unimaginably small scales, we’d see atoms and gases teeming with electrons in constant motion. Laser spectroscopy is one of the powerful tools scientists use to explore this microscopic world. Birgitta Schulze-Bernhardt will guide us through what we can uncover about the infinitesimally small and how this knowledge impacts the view of the world we live in.

References:

[1] RP Photonics Encyclopaedia: https://www.rp-photonics.com/encyclopedia.html

[2] Optical frequency comb: https://www.nist.gov/topics/physics/optical-frequency-combs

[3] Dual-comb spectroscopy: https://opg.optica.org/optica/fulltext.cfm?uri=optica-3-4-414&id=338991

[4] One of Birgitta's team recent paper: Fürst, L., Kirchner, A., Eber, A., Siegrist, F., Di Vora, R., and Bernhardt, B., Broadband near-ultraviolet dual comb spectroscopy, (2024), Optica, Vol. 11, Issue 4, 471, (2024), https://doi.org/10.1364/OPTICA.516783
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1 month ago
28 minutes 7 seconds

Bridge the Gap
Philosophy and Physics - Part 2
What does one mean by philosophy of physics? How can philosophy help us understand the physical world? In particular, when it comes to quantum mechanics, human intuition seems to break down. Is the wave function real, or is it just a construct we use to make sense of experiments? Is reality truly based on probabilities? In this episode we continue our journey into the relationship between philosophy and physics with Axel Maas and Philip Berghofer from University of Graz. The first part of our conversation with them can be found at episode "Philosophy and Physics - Part 1"

References:

Axel Maas on Bluesky:
https://bsky.app/profile/axelmaas.bsky.social

Axel Maas's webpage: https://particle.uni-graz.at/en/structures-and-observables/

Philip Berghofer's webpages:
https://uni-graz.academia.edu/PhilippBerghofer, https://philippberghofer.com/
 
Some slides about philosophy of physics: https://static.uni-graz.at/fileadmin/_Persoenliche_Webseite/maas_axel/urania24.pdf
Book "Gauge symmetries, symmetry breaking, and gauge-invariant approaches": https://arxiv.org/abs/2110.00616
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2 months ago
24 minutes

Bridge the Gap
Philosophy and Physics - Part 1
What does one mean by philosophy of physics? How can philosophy help us understand the physical world?
In particular, when it comes to quantum mechanics, human intuition seems to break down. Is the wave function real, or is it just a construct we use to make sense of experiments? Is reality truly based on probabilities? In this episode, Axel Maas and Philip Berghofer from the University of Graz will guide us through the challenges of reconnecting the physical world with the models we use to describe it.

References:

Axel Maas on Bluesky:
https://bsky.app/profile/axelmaas.bsky.social

Axel Maas's webpage: https://particle.uni-graz.at/en/structures-and-observables/

Philip Berghofer's webpages:
https://uni-graz.academia.edu/PhilippBerghofer, https://philippberghofer.com/
 
Some slides about philosophy of physics: https://static.uni-graz.at/fileadmin/_Persoenliche_Webseite/maas_axel/urania24.pdf
Book "Gauge symmetries, symmetry breaking, and gauge-invariant approaches": https://arxiv.org/abs/2110.00616

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2 months ago
31 minutes 11 seconds

Bridge the Gap
Pigments colors and other shades of physics
If sunlight is often described as "white," why do we see so many colors? How are colors connected to the wavelengths of light? And what exactly is a wavelength? Anna Galler, a researcher at TU Graz, takes us on a journey through the world of light, pigments, and the fascinating physics behind every shade.

References: 

[1] Kurt Nassau, "The Causes of Color" - published in the October 1980 issue of Scientific American, Volume 243, Number 4, on pages 124-154

[2] Kurt Nassau, "The Fifteen Causes of Color: The Physics and Chemistry of Color" - published in the journal Color Research & Application in February 1987 (Volume 12, Issue 1, pages 4-26).
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2 months ago
23 minutes 54 seconds

Bridge the Gap
Paper...
What do you know about paper? It is a very common "object" in our everyday experience and still there is so much to discover about it! Karin Zojer, Professor at Graz University of Technology, leads us through the fascinating world of simulating real materials, paper included, highlighting the role of experiments in the process. Are you ready to dive in?

To tell us what you think about the podcast and/or if you want to take part in the audience participation section, send an email to bridgethegap@tugraz.at and we will get back to you and set you up. Every feedback is appreciated!
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4 months ago
30 minutes 21 seconds

Bridge the Gap
Superconductivity
What if we could "kick" one electron now and have a current going on forever? Christoph Heil, Professor at Graz University of Technology, tells us that when things get really (really!) cool this is already possible. But it comes at a price... 

To tell us what you think about the podcast and/or if you want to take part in the audience participation section, send an email to bridgethegap@tugraz.at and we will get back to you and set you up. Every feedback is appreciated!


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5 months ago
29 minutes 12 seconds

Bridge the Gap
Many-body physics
"More is different". The famous quote from P. Anderson. What did he mean by that? Why is interaction between particles so interesting and difficult to describe? We continue on our journey through the fascinating realm of quantum physics: this time Markus Aichhorn, Professor at Graz University of Technology, will tell us about what happens when many particles interact at the quantum level...  

To tell us what you think about the podcast and/or if you want to take part in the audience participation section, send an email to bridgethegap@tugraz.at and we will get back to you and set you up. Every feedback is appreciated!
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6 months ago
37 minutes 28 seconds

Bridge the Gap
Quantum physics
Have you ever heard about the Schroedinger cat? And what about particles that move like waves? 
Quantum mechanics is full of wonders but provides answers that often challenge our intuition. Markus Aichhorn, Professor at Graz University of Technology, will walk us through these and other interesting aspects...

To tell us what you think about the podcast and/or if you want to take part in the audience participation section, send an email to bridgethegap@tugraz.at and we will get back to you and set you up. Every feedback is appreciated!
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6 months ago
48 minutes 48 seconds

Bridge the Gap
Bridge the Gap - Trailer
To tell us what you think about the podcast and/or if you want to take part in the audience participation section, send an email to bridgethegap@tugraz.at and we will get back to you and set you up. Every feedback is appreciated!
Show more...
6 months ago
1 minute 4 seconds

Bridge the Gap
How does a star like our Sun actually work? What fuels this giant ball of gas—and how does it change over time? And where do the elements of the periodic table really come from?
 In this episode, we explore these cosmic questions with our guest, Professor Alexander Shapiro from the University of Graz.