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RECENT FORUM POSTS
Lev Goldfarb: "I suddenly realized that it would have somewhat improved the scoring..." in Essay Contest 2013: It...
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In 2004, Stephen Hawking famously conceded that black holes do not devour all information when they swallow matter—seemingly resolving the "black hole information paradox" that had perplexed physicists for decades. But some argue that the paradox remains open, and we must abandon our simple picture of spacetime to unravel it.
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Could quantum effects explain the mechanisms behind smell, photosynthesis and bird navigation?
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Have we been fooled into seeing one form of reality, with particular fundamental forces and laws, based on the peculiar way that we have chosen to measure time?
Lev Goldfarb: "I suddenly realized that it would have somewhat improved the scoring..." in Essay Contest 2013: It...
Thomas Ray: ""What you claim below is not true. It is the reverse of what is true." ..." in Nature, GUT, and...
John Merryman: "Jason, Particles are like the skeleton, waves like the tissue and what..." in Nature, GUT, and...
Eckard Blumschein: "Lawrence, I am not the troll, and you might agree with me on that scoring..." in Essay Contest 2013: It...
Pentcho Valev: "No Hope for Special Relativity IV Einsteinians readily admit that, for..." in Faster than Light
Pentcho Valev: "Eckard, You wrote: "I object to the first postulate." A theory based on..." in Faster than Light
M J Murcott: "The multiverse theory of space" in Measuring Up the...
Darrell Burgan: "I am fascinated by causality and have long wondered why modern science..." in A View From the Top
RECENT ARTICLES
click titles to read articles
Discord in the Quantum World
An alternative quantum resource to entanglement could help physicists in the quest to construct a quantum computer.
A View From the Top
Thinking of causation as a "two-way street"—along which the passage of information can be inverted—could have implications for the origin of life.
Classic Article: Black Holes, Paradox Regained
In 2004, Stephen Hawking famously conceded that black holes do not devour all information when they swallow matter—seemingly resolving the "black hole information paradox" that had perplexed physicists for decades. But some argue that the paradox remains open, and we must abandon our simple picture of spacetime to unravel it.
Quantum Biology: Making Waves in the Natural World
Could quantum effects explain the mechanisms behind smell, photosynthesis and bird navigation?
The Accidental Universe
Have we been fooled into seeing one form of reality, with particular fundamental forces and laws, based on the peculiar way that we have chosen to measure time?
FQXi BLOGS
June 19, 2013
A short post to highlight a discussion around one of our recent podcasts. In the April edition of the podcast, I chatted with FQXi’s Markus Aspelmeyer about a proposal for a table-top test for quantum gravity that he and his colleagues had outlined in Nature Physics. The idea is to look for modifications to Heisenberg’s Uncertainty principle due to quantum gravity models, using microscale mirrors in the lab.
During the podcast, we mentioned that Sabine Hossenfelder was quite sceptical about this -- she blogged her concerns that the team failed to address the question of Lorentz-invariance here.
Now one of the paper’s co-authors, Caslav Brukner, has written a response, so I’m inviting you to head over to the podcast thread (and over to Sabine’s Backreaction blog where the same comment has been posted) to discuss that.
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During the podcast, we mentioned that Sabine Hossenfelder was quite sceptical about this -- she blogged her concerns that the team failed to address the question of Lorentz-invariance here.
Now one of the paper’s co-authors, Caslav Brukner, has written a response, so I’m inviting you to head over to the podcast thread (and over to Sabine’s Backreaction blog where the same comment has been posted) to discuss that.
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In the reductionist way of thinking we meet all kind of problems when reaching the Planck scale. Try the "emergence" way, and a lot of things become easier to understand but also to explain.
Wilhelmus
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Wilhelmus
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