ABOUT THE FQXi PODCAST

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 podcast@fqxi.org, and follow us on twitter: @FQXi. The podcast is produced by Zeeya, and music is provided by Baltimore-based Diefenbaker.

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 podcast@fqxi.org, and follow us on twitter: @FQXi. The podcast is produced by Zeeya, and music is provided by Baltimore-based Diefenbaker.

RECENT FORUM POSTS

**Robert McEachern**: "Neil, I have a rather different take on the Born Rule: Wave-functions are..."
*in* Inferring the Limits on...

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*in* Inferring the Limits on...

**Eckard Blumschein**: "John C, "... fundamentals have long since been abandoned. I just, naively..."
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*in* Ripping Apart Einstein

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RECENT ARTICLES

*click titles to read articles*

**Inferring the Limits on Reality (that Even the Gods Must Obey)**

The fuzziness of the quantum realm could arise from mathematical restrictions on what can ever be known.

**The Quantum Thermodynamic Revolution**

Combining theories of quantum information with the science of heat and energy transfer could lead to new technologies.

**Face Off: Building a Toy Universe to Pit Quantum Theory Against Gravity**

Using superconducting circuits to create a curved-spacetime analog with stronger gravity than our cosmos.

**Is Gravity Time's Archer?**

A new model argues the forces between particles in the early universe loosed time's arrow, creating temporal order from chaos.

**Purifying Physics: The Quest to Explain Why the “Quantum” Exists**

A new framework for the laws underlying reality could explain why nature obeys quantum rules, the origin of time’s arrow, and the power of quantum computing.

RECENT ARTICLES

The fuzziness of the quantum realm could arise from mathematical restrictions on what can ever be known.

Combining theories of quantum information with the science of heat and energy transfer could lead to new technologies.

Using superconducting circuits to create a curved-spacetime analog with stronger gravity than our cosmos.

A new model argues the forces between particles in the early universe loosed time's arrow, creating temporal order from chaos.

A new framework for the laws underlying reality could explain why nature obeys quantum rules, the origin of time’s arrow, and the power of quantum computing.

PODCAST

July 4, 2015

Complete Podcast

The FQXi **April 30, 2012** Podcast features:

- Splitting the Electron
- Neural Relativity
- Table-Top Tests for Quantum Gravity

INFO: **MP3 file / 30 minutes / 29 MB**

LISTEN:

Featured video in this podcast:

Individual Stories

Splitting the Electron

Physicists break fundamental particle into two quasiparticles

INFO: **MP3 file / 6 minutes / 6 MB**

LISTEN:

RELATED LINKS:

*Nature:*Schlappa et al paper*Nature:*Not-quite-so elementary, my dear electron

Neural Relativity

How the brain perceives time -- and how to fool it.

INFO: **MP3 file / 10 minutes / 10 MB**

LISTEN:

RELATED LINKS:

*FQXi blog:*Video: Biologists and physicists discuss the nature of time*FQXi video:*David Eagleman on time and the brain

Table-Top Tests for Quantum Gravity

Probing the Planck scale with current quantum optical technology

INFO: **MP3 file / 8 minutes / 8 MB**

LISTEN:

RELATED LINKS:

*Nature Physics:*Pikovski et al paper*Backreaction blog:*Sabine Hossenfelder's critique

PODCAST ARCHIVE

- Talking About How to Talk About Physics

- In Praise of Physics Poetry
- Spacetime Squids
- Searching for the Impossible

- Bohmian Rhapsody

- Collapsing Physics

- Quantum Reality Check
- Detecting Black Hole Firewalls
- Quantum Networks

- 2014 Countdown Part 3 & Essay Contest Tips

- 2014 Countdown Part 2 & Request for Large Grant Proposals

- 2014 Countdown Part 1 & Video Contest Results

- When Parallel Worlds Interact with Ours
- Predicting the Future
- Quantum Identity Crisis
- Sounds from a Comet

- BICEP2 v Planck v Inflation theory
- One Past, Two Futures: A Gravitational Origin for the Arrow of Time
- Physics of Cancer
- Paul Davies on Cancer, Uncut

- Watching Quantum Cats Die
- Black Hole Fireworks
- Quantifying Occam
- Quantum Pigeonhole Principle
- Quantum Cheshire Cat

- Time Travel Simulated in the Lab
- BICEP2 Under Scrutiny
- Higgs the Destroyer
- Why is Nature Quantum?

- BICEP2 & Inflation
- BICEP2 & Alternative models
- Thermal Gravity
- Entangling Spacetime

- A Matter of Consciousness

View All Archived Podcasts

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CASLAV BRUKNER wrote on June 25, 2012

Table-Top Test of Quantum Gravity: Response to Sabine Hossenfelder's Critique

In response to the critique of Sabine Hossenfelder I would like to make the following comments that hopefully clarify the motivation and the analysis behind our paper.

1) It is incorrect that we assume that the centre of mass degree of freedom is given as a linear (or any other) sum of momenta of individual constituents. We do not need to make any such assumption. The centre of mass degree of freedom of...

Table-Top Test of Quantum Gravity: Response to Sabine Hossenfelder's Critique

In response to the critique of Sabine Hossenfelder I would like to make the following comments that hopefully clarify the motivation and the analysis behind our paper.

1) It is incorrect that we assume that the centre of mass degree of freedom is given as a linear (or any other) sum of momenta of individual constituents. We do not need to make any such assumption. The centre of mass degree of freedom of...

THE FQXI EDITORS wrote on April 30, 2012

This is a discussion of the FQXi Podcast from**April 30, 2012**

This is a discussion of the FQXi Podcast from

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