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The FQXi podcast brings you the latest ideas in foundational physics and cosmology—and includes interviews with our members and other leading scientists. It's hosted by Zeeya Merali and Brendan Foster. You can contact us at, and follow us on twitter: @FQXi. The podcast is produced by Zeeya, and music is provided by Baltimore-based Diefenbaker.

Georgina Woodward: "Re. the electroscopes thought experiment. It should not according..." in The Present State of...

Lorraine Ford: "It is logically necessary that the physicist can discern difference in the..." in Consciousness and the...

S. David Coleman: "I want to say YES! It's not Time, it's Motion. A 3 dimensional cube is..." in The Nature of Time

Georgina Woodward: "" B) no moving electrons in wire. Charged particle at rest. There aren't..." in The Present State of...

olivier denis: """Olivier, all this is very interesting. We search answers about this..." in Global Collaboration

olivier denis: "about origin and information ..... The initial state is a kaotic state of..." in Reconstructing Physics

olivier denis: """I believe Olivier that all is a question of philosophy about the origin..." in Reconstructing Physics

Steve Dufourny: "Olivier, all this is very interesting. We search answers about this..." in Global Collaboration

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Good Vibrations
Microbead 'motor' exploits natural fluctuations for power.

Reconstructing Physics
New photon experiment gives new meta-framework, 'constructor theory,' a boost.

The Quantum Engineer: Q&A with Alexia Auffèves
Experiments seek to use quantum observations as fuel to power mini motors.

The Quantum Clock-Maker Investigating COVID-19, Causality, and the Trouble with AI
Sally Shrapnel, a quantum physicist and medical practitioner, on her experiments into cause-and-effect that could help us understand time’s arrow—and build better healthcare algorithms.

Connect the Quantum Dots for a New Kind of Fuel
'Artificial atoms' allow physicists to manipulate individual electrons—and could help to reduce energy wastage in electronic devices.

December 1, 2021

Complete Podcast
The FQXi September 27, 2021 Podcast features:
  • Optical Lattice Clocks
  • Thermodynamic Cost of Timekeeping
  • Microbead Mini Motors
INFO: MP3 file / 50 minutes / 60 MB
DOWNLOAD (right-click Windows, control-click Mac)
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Featured video in this podcast:
Individual Stories
Optical Lattice Clocks
Jun Ye shares the $3-million Breakthrough Prize in Fundamental Physics for the development of the optical lattice clocks. He tells Zeeya how they work, and how they could be used to detect gravitational waves, identify dark matter, or predict seismic or volcanic activity.
INFO: MP3 file / 26 minutes / 60 MB
DOWNLOAD (right-click Windows, control-click Mac)
Thermodynamic Cost of Timekeeping
Quantum physicist Marcus Huber describes his experiment demonstrating that increasing the accuracy of a timepiece has an entropic price, to Toby Fitzpatrick.
INFO: MP3 file / 16 minutes / 40 MB
DOWNLOAD (right-click Windows, control-click Mac)
Microbead Mini Motors
John Bechhoefer is building nanomachines with glass beads to investigate how to make information processing more efficient--and to better understand biological processes--as he explains to Colin Stuart.
INFO: MP3 file / 9 minutes / 21 MB
DOWNLOAD (right-click Windows, control-click Mac)

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