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

**John Cox**: "The physical argument of length contraction is this; If a ponderable body..."
*in* Alternative Models of...

**James Putnam**: "Akinbo, The full sentence: "The arm facing the direction of the velocity..."
*in* Alternative Models of...

**Pentcho Valev**: "The Speed of Light Varies with the Speed of the Observer When an observer..."
*in* The Perfect Physics...

**Steve**: "2^0 = Q (Real), 2^1 = C(Complex)I, 2^2 = H(quaternions)IJK, 2^3 =..."
*in* Readers' Choice: Taking...

**Brendan Foster**: "One week to go everyone---submit essays by 11:59 PM ET next Wednesday. We..."
*in* Trick or Truth? — Essay...

**Pentcho Valev**: "In 1954 Einstein suggests that an incorrect assumption might have ruined..."
*in* The Perfect Physics...

**Robert McEachern**: "Enough for what? If you think about it, to even detect that a "bit" exists..."
*in* Purifying Physics: The...

RECENT ARTICLES

*click titles to read articles*

**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.

**Searching for the Impossible**

A quest to discover which computational tasks can never be resolved.

**Six Degrees to the Emergence of Reality**

Physicists are racing to complete a new model of "quantum complex networks" that tackles the physical nature of time and paradoxical features of emergence of classical reality from the quantum world

**Quantum in Context**

An untapped resource could provide the magic needed for quantum computation—and perhaps even open the door to time travel.

**Spot the Difference to Reveal Exotic Particles**

Questioning the symmetrization postulate of quantum mechanics and the notion that electrons are indistinguishable could reveal whether hypothetical new particles exist.

RECENT ARTICLES

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.

A quest to discover which computational tasks can never be resolved.

Physicists are racing to complete a new model of "quantum complex networks" that tackles the physical nature of time and paradoxical features of emergence of classical reality from the quantum world

An untapped resource could provide the magic needed for quantum computation—and perhaps even open the door to time travel.

Questioning the symmetrization postulate of quantum mechanics and the notion that electrons are indistinguishable could reveal whether hypothetical new particles exist.

PODCAST

February 27, 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

- 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

- Sean Carroll Fluctuates on Floating Consciousnesses

View All Archived Podcasts

Comment on this Podcast

Please read the important Introduction that governs your participation in this community. Inappropriate language will not be tolerated and posts containing such language will be deleted. Otherwise, this is a free speech Forum and all are welcome!

Please enter the text of your post, then click the "Submit New Post" button below. You may also optionally add file attachments below before submitting your edits.

HTML tags are not permitted in posts, and will automatically be stripped out. Links to other web sites are permitted. For instructions on how to add links, please read the link help page.

You may use superscript (10

^{100}) and subscript (A_{2}) using [sup]...[/sup] and [sub]...[/sub] tags.You may use bold (

**important**) and italics (*emphasize*) using [b]...[/b] and [i]...[/i] tags.You may also include LateX equations into your post.

Insert LaTeX Equation
[hide]

LaTeX equations may be displayed in FQXi Forum posts by including them within [equation]...[/equation] tags. You may type your equation directly into your post, or use the LaTeX Equation Preview feature below to see how your equation will render (this is recommended).

For more help on LaTeX, please see the LaTeX Project Home Page.

LaTeX Equation Preview

preview equation

clear equation

insert equation into post at cursor

LaTeX equations may be displayed in FQXi Forum posts by including them within [equation]...[/equation] tags. You may type your equation directly into your post, or use the LaTeX Equation Preview feature below to see how your equation will render (this is recommended).

For more help on LaTeX, please see the LaTeX Project Home Page.

LaTeX Equation Preview

preview equation

clear equation

insert equation into post at cursor

Attachments
[hide]

You may optionally attach up to two documents to your post. To add an attachment, use the following feature to browse your computer and select the file to attach. The maximum file size for attachments is 1MB.

Once you're done adding file attachments, click the "Submit New Post" button to add your post.

You may optionally attach up to two documents to your post. To add an attachment, use the following feature to browse your computer and select the file to attach. The maximum file size for attachments is 1MB.

Once you're done adding file attachments, click the "Submit New Post" button to add your post.

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

read all podcast comments

And select the letter between 'M' and 'O':