Sunday, 25 January 2026

The Casimir Effect

In the previous post about Roger Penrose's theory of Twister Space, the Casimir effect was mentioned. I asked Gemini about it.

The Casimir effect is one of the most striking demonstrations of the reality of the "vacuum" in Quantum Field Theory (QFT). It describes a small attractive force that acts between two uncharged, parallel conductive plates placed extremely close together in a vacuum.

To understand why this happens, we have to move away from the idea of a vacuum as "empty space" and instead view it as a sea of activity.

1. The Quantum Vacuum and Zero-Point Energy

In classical physics, a vacuum is simply the absence of matter and energy. However, in QFT, every fundamental force (like electromagnetism) is represented by a field that permeates all of space.

According to the Heisenberg Uncertainty Principle, these fields can never be perfectly still or zero. Even in their lowest energy state—the vacuum state—they exhibit "vacuum fluctuations." These are essentially virtual particles constantly popping in and out of existence. This gives rise to Zero-Point Energy:

$$ E_0 = \frac{1}{2} \hbar \omega $$

Every possible frequency (or mode) of the electromagnetic field contributes to this background energy.

2. Boundaries and Forbidden Waves

When you place two perfectly conducting plates very close to each other, you create a boundary condition. Outside the plates, the electromagnetic field can vibrate at any frequency or wavelength. Inside the plates, however, because the plates are conductive, the electric field must be zero at the surface of the plates.

This means only specific wavelengths can exist between them—specifically, those where an integer number of half-wavelengths fits exactly into the gap distance. Essentially, the plates "exclude" certain long-wavelength modes from the space between them.

3. The Resulting Pressure

Because there are more possible modes of vacuum fluctuations outside the plates than inside, there is a higher "radiation pressure" pushing the plates together than there is pushing them apart. The difference in energy density results in a measurable physical force.

For two plates of area $A$ separated by distance $d$, the Casimir force $F$ is calculated as:

$$ F = -\frac{\hbar c \pi^2}{240 d^4} A $$

The Casimir force is characterized by being attractive (indicated by the negative sign), meaning the plates are pulled together. It is also highly distance-dependent, becoming incredibly strong as the plates get closer (inversely proportional to the fourth power of the distance, $1/d^4$).

4. Significance in Modern Science

The Casimir effect has significant implications in nanotechnology, where it becomes a dominant factor at the scale of micrometers. It can cause tiny components in Microelectromechanical Systems (MEMS) to stick together. It also provides a tangible way to think about dark energy and the energy density of the vacuum on a universal scale.

Gemini also offered to create a graph showing how the Casimir effect increases rapidly once the distance between the plates becomes very small. Figure 1 shows the result.

Figure 1: values from 10nm to 200nm

Saturday, 24 January 2026

The Dissolution of the Particle

I watch this YouTube video about Roger Penrose's Quantum Field theory and thought I'd get Gemini to research it further. Here is the original video (the author has cloned Roger's voice presumably without his permission but then again do you need permission to clone someone's voice?):


The Dissolution of the Particle:
Roger Penrose’s Ontological Revolution and the Primacy of Fields

Executive Summary

The history of physics has been dominated by the persistent search for the fundamental "building blocks" of reality—discrete, localized, and enduring entities traditionally termed particles. From the atomism of Democritus to the corpuscular theories of Newton, and persisting into the modern era through the linguistic conventions of the Standard Model, the "particle" has served as the cognitive anchor for our understanding of the physical world. However, a profound crisis exists at the heart of this worldview. Sir Roger Penrose, arguably one of the most significant mathematical physicists of the last century, contends that this crisis—manifested in the mathematical singularities of Quantum Field Theory (QFT) and the incompatibility of Quantum Mechanics (QM) with General Relativity (GR)—stems from a fundamental ontological error: the insistence that reality is composed of "things."

This research report provides an exhaustive analysis of Penrose’s radical proposition that "there are no particles," and that the universe is instead composed of continuous quantum fields, geometric structures, and topological relationships. Using the insights presented in the discussion "There Are NO Particles (You're Made of Quantum Fields, Not Things)" as a critical springboard, we deconstruct the illusion of solidity that pervades human perception. We trace the historical and mathematical trajectory that leads Penrose to reject the standard "point-particle" model, citing its reliance on the "hocus-pocus" of renormalization to tame inherent infinities.

The report delves deeply into Penrose’s alternative frameworks, most notably Twistor Theory, which inverts the conventional hierarchy of spacetime by positing that non-local "light rays" are more fundamental than local "points." We explore the "Googly Problem" and the recent development of "Palatial Twistor Theory" as attempts to rectify the chiral asymmetries of the universe within a purely geometric formulation. Furthermore, we examine the hypothesis that stable matter—electrons, protons, and atoms—are not distinct objects but topological knots in the underlying field, stable only by virtue of their winding numbers rather than any intrinsic solidity.

We also analyze the role of gravity as the objective arbiter of reality (Objective Reduction), Penrose’s Cyclic Cosmology (which relies on the dissolution of mass into pure radiation), and the philosophical underpinnings of his Mathematical Platonism. By synthesizing experimental data on "knotted fields" in hydrodynamics and optics with high-level theoretical physics, this report concludes that the "particle" is a convenient fiction—a shadow cast by the true, complex geometry of a field-based universe.


1. Introduction: The Mirage of Solidity

1.1 The "Springboard": Deconstructing the Intuitive World

In the discourse "There Are NO Particles," Sir Roger Penrose challenges the most deeply held intuition of human experience: the sensation that the world consists of solid, discrete objects.[1] When we touch a table, we feel resistance; when we throw a stone, we see a localized projectile tracing a path through space. This sensory data suggests a reality composed of "stuff"—hard, enduring, and separate from the space it occupies. Penrose argues that this intuition, while evolutionarily useful, is scientifically obstructive. He proposes that at the deepest level, the universe is devoid of "things" in the sense of localized corpuscles. Instead, what we perceive as matter is an emergent feature of quantum fields—ripples in a universal ocean that possesses no solid bottom.[2, 3]

This perspective is not merely a semantic shift but an ontological revolution. If particles do not exist, then the vocabulary of "collisions," "positions," and "trajectories" which dominates standard physics education is fundamentally misleading. Penrose suggests that by clinging to the particle concept, physicists have forced themselves into mathematical corners—specifically the presence of infinities in calculations—that prevent the unification of the quantum and relativistic worlds.[4]

1.2 The Persistence of the "Corpuscle"

The concept of the particle has proven remarkably resilient. Isaac Newton championed the corpuscular theory of light, arguing that light consisted of streams of tiny particles. Although the wave theory of Young and Maxwell seemingly displaced this in the 19th century, the particle returned with a vengeance in the early 20th century with Einstein’s photon and the discovery of the electron.[5] Even today, despite the formal acceptance of Quantum Field Theory (where fields are fundamental), the mental model for most physicists remains the Feynman diagram: a schematic of lines representing particles bouncing off one another.

Penrose argues that this "particle bias" is responsible for the current stagnation in fundamental physics. By treating the electron as a point-like "thing" that carries charge, rather than as a smooth aspect of the field's geometry, we introduce singularities—points where the laws of physics break down. He advocates for a return to a continuum-based view, but one enriched by the complex topology of quantum mechanics. As noted in recent metaphysical discussions, "The best way to think of a quantum field is that it is the mathematical symmetries of all the ways that nothing can thing".[6] Penrose takes this further: the "thinging" is an illusion; only the symmetries and the field exist.

1.3 Scope of the Inquiry

This report will rigorously examine Penrose’s "no particle" thesis through three primary lenses:

  1. Mathematical Consistency: How the concept of the point particle destroys the beauty and finiteness of physical laws, necessitating the "ugly" procedure of renormalization.
  2. Geometric Innovation: How Twistor Theory and topology offer a "particle-less" way to describe mass, spin, and charge.
  3. Ontological Necessity: Why gravity and consciousness (via Objective Reduction) require a field-based reality to function.

2. The Mathematical Crisis of the Point Particle

The central pillar of Penrose’s critique is that the "point particle"—the standard modeling assumption of modern physics—is a mathematical disaster.

2.1 The Singularity of the Point

In classical physics, an object has a finite size. In the Standard Model of particle physics, fundamental particles like electrons and quarks are treated as having zero radius. They are dimensionless points. This assumption immediately leads to catastrophic consequences for the field equations.

According to Coulomb’s Law, the electric potential energy $V$ at a distance $r$ from a charge $q$ is proportional to $1/r$.

$$V(r) \propto \frac{q}{r}$$

If the electron is a point, then at its own center, $r=0$. Consequently, the self-energy of the electron becomes infinite.

$$V(0) = \infty$$

This implies that every electron in the universe contains infinite energy. Since mass and energy are equivalent ($E=mc^2$), every electron should have infinite mass. Clearly, this contradicts observation; the electron has a small, finite mass ($9.1 \times 10^{-31}$ kg).

2.2 Quantum Field Theory and the "Hocus Pocus" of Renormalization

When Quantum Mechanics is applied to fields (QFT), these infinities proliferate. In calculating the probability of an interaction (such as an electron emitting and re-absorbing a photon), physicists sum over all possible paths and energies. Since a point particle can interact with vacuum fluctuations of infinitely high energy at infinitely short distances, the integrals diverge—they blow up to infinity.[7]

To salvage the theory, physicists developed Renormalization. This technique involves introducing a "cutoff" to ignore the high-energy contributions and then defining the "bare" infinite mass of the particle in such a way that it cancels out the infinite interaction energy, leaving a finite "measured" mass. While this method yields predictions of staggering accuracy (such as the electron's g-factor), Penrose and the founders of QFT viewed it with deep suspicion.

  • Richard Feynman's Critique: Despite winning a Nobel Prize for his work in QED (Quantum Electrodynamics), Feynman never accepted the validity of renormalization. He famously called it "hocus-pocus," stating, "Having to resort to such hocus-pocus has prevented us from proving that the theory of quantum electrodynamics is mathematically self-consistent... I suspect that renormalization is not mathematically legitimate".[8, 9]
  • Paul Dirac's Aesthetic Rejection: Dirac, one of the fathers of QM, found the procedure repulsively "ugly." He argued that sound mathematics should not require subtracting infinities from infinities to get finite answers. He believed this indicated that the fundamental premise—the point particle—was wrong.[10]

2.3 Penrose’s Demand for Finitude

Penrose aligns himself with Dirac. He argues that a fundamental theory of reality must be finite by construction.[2] The appearance of infinities is nature’s way of saying, "Your model of a point-like particle is incorrect." Penrose posits that the true constituents of reality must be smeared out, non-local, or geometric in a way that naturally avoids singularities. This drive for a "finite geometry" led him away from the standard QFT approach (which he views as a patchwork) and toward Twistor Theory, where the "points" of spacetime are dissolved into lines of complex geometry.

Feature of Critique Standard QFT View Penrose / Dirac / Feynman View
Status of Singularities Mathematical quirks to be managed Fatal flaws in the ontology
Renormalization A valid tool for Effective Field Theories (EFT) "Hocus-pocus" / "Ugly" / Illegitimate
High-Energy Behavior Unknown, handled by cutoffs Must be consistent with low-energy geometry
Nature of Particle Point-like excitation Fundamental geometric error
Source [11, 12] [9, 13, 14]


2.4 The Defense of "Effective Field Theory" (EFT)

It is important to acknowledge the counter-argument from the mainstream physics community. Defenders of the Standard Model, following Kenneth Wilson, argue that QFT is an Effective Field Theory.[15, 16] In the EFT framework, the theory is not claimed to be fundamental. It is an approximation valid only at low energies. The "cutoff" represents the threshold where new physics (perhaps String Theory or Quantum Gravity) enters. Therefore, the "point particle" is just a low-resolution approximation of some deeper structure (like a vibrating string).

  • Penrose’s Rebuttal: Penrose is not satisfied with an approximation. He seeks the Road to Reality.[17] He argues that relying on EFT is an abdication of the physicist's duty to find the true nature of the universe. He believes that the deeper theory will not just add a new layer of particles (like strings) but will fundamentally alter the geometry of space and time itself, removing the need for particles entirely.[18, 19]


3. The Primacy of Fields: A New Ontology

If we strip away the particle concept, what remains? Penrose argues for an ontology based on Quantum Fields and Geometry.

3.1 Fields are Not "Made of" Particles

A common misconception is that a field is a swarm of particles (e.g., the electric field is a swarm of photons). QFT reverses this: the field is the primary object. The photon is merely a quantized ripple in the electromagnetic field. Penrose emphasizes that the field exists everywhere, even in the vacuum. The vacuum is not empty space; it is a plenum of potentiality—a "froth" of fields.[6]

  • The "Free Lunch": As snippet [6] suggests, "An excitation of that field (a particle) is thus sort of a free lunch." The particle has no independent existence; it is a property of the field, just as a knot is a property of a rope.

3.2 The Reality of the Wavefunction

In Penrose’s view, the wavefunction (the mathematical description of the field) is not just a bookkeeping tool for probability (as in the Copenhagen Interpretation); it is a real, physical wave.[20]

  • Superposition is Real: When an electron is in a superposition of two locations, the field really is in two places. It creates a gravitational distortion in both places.
  • No "Spooky" Action: If the field is the fundamental reality, then "non-locality" (entanglement) is simply a feature of how the field connects across space. The "particle" at point A and the "particle" at point B are just two ends of the same continuous field structure.

4. Twistor Theory: Dissolving the Point

Penrose’s most constructive answer to the "no particle" problem is Twistor Theory. This is a formidable mathematical framework that attempts to redefine the very fabric of spacetime to eliminate point-like singularities.

4.1 Inverting the Geometry: Light Rays as Primaries

Standard physics begins with a "manifold" of points ($t, x, y, z$). Penrose noticed that for massless particles (like photons), the concept of "position" is slippery because they move at the speed of light ($c$). For a photon, the passage of proper time is zero. The "event" of emission and the "event" of absorption are, in a relativistic sense, separated by zero interval.

Penrose proposed a radical geometric inversion:

  • Old View: Points are fundamental; light rays are lines connecting points.
  • Twistor View: Light rays are fundamental (represented as single points in Twistor Space); spacetime points are secondary (derived from the intersection of light rays).[21, 22]

4.2 The Geometry of Twistor Space

Twistor space ($\mathbb{T}$) is a 4-dimensional complex vector space. Its projective version, $\mathbb{PT}$ (Projective Twistor Space), is a 3-dimensional complex manifold ($\mathbb{CP}^3$).[22]

The correspondence is defined by the Incidence Relation:

$$\mu^{A'} = i x^{AA'} \pi_A$$

Here, a point $x$ in spacetime corresponds to a Riemann sphere (a complex line) in Twistor space. Conversely, a point in Twistor space ($Z^\alpha$) corresponds to a light ray (null geodesic) in spacetime.[23]

  • Significance for Particles: In this framework, a massless particle is not a "thing" moving through space. It is a point in Twistor space. Its entire history—past, present, and future—is encoded in that single geometric location. The particle’s trajectory is just a geometric feature of the universe.[23]

4.3 Complex Numbers and the Fabric of Reality

Standard spacetime uses real numbers (coordinates $x, y, z$). Quantum Mechanics relies heavily on complex numbers ($a + bi$). Penrose finds it deeply significant that Twistor space is inherently complex. He argues that the complex numbers are not just calculational tools but the actual fabric of reality.[24]

  • Non-Locality: Because Twistor space is defined over complex numbers, "locality" is smeared out. Two points that are far apart in real spacetime might be adjacent in the complex geometry of Twistor space. This provides a natural, geometric explanation for quantum entanglement without invoking "faster-than-light" signals between particles. The "particles" are connected because in the higher geometry, they never separated.[25, 26]

4.4 The "Googly Problem" and Palatial Twistor Theory

For decades, Twistor Theory suffered from a major defect known as the "Googly Problem" (a cricket term for a ball that spins the opposite way).

  • The Asymmetry: The universe is chiral (handed). The weak nuclear force only affects left-handed particles. Standard Twistor theory naturally described left-handed fields (self-dual) but struggled to describe right-handed fields (anti-self-dual) within the same geometric framework.[21, 27]
  • The Particle Problem: If Twistor theory couldn't describe both halves of the particle spectrum, it couldn't replace the Standard Model.
  • The Solution (Palatial Twistors): Around 2015, Penrose introduced "Palatial Twistor Theory." This extension incorporates "non-commutative holomorphic quantized twistor Heisenberg algebra".[23] This "Palatial" structure allows for the accommodation of both helicities (left and right) by treating the "location" of the particle as a non-commutative operator rather than a static number.
  • Implication: This evolution reinforces the "no particle" view. The "particle" is now even less of a point; it is a non-commutative geometric operation. The "stuff" of the universe is algebra and geometry, not matter.

5. Matter as Topological Knots

If particles are not points, what are they? Penrose and researchers inspired by his work have explored the idea that stable particles (like electrons) are topological knots in the field.

5.1 The Stability of Knots

A fundamental question in physics is: "Why is the electron stable?" If it is just a ripple in a field, why doesn't it disperse like a wave in a pond? Standard QFT answers this by assigning a conserved "charge." Penrose seeks a geometric answer.

  • Topology: In mathematics, a knot cannot be untied without cutting the string. If a field configuration forms a knot, it is topologically protected. It cannot dissipate.
  • The Hopf Fibration: Penrose often cites the Hopf Fibration, a structure that fills 3D space with linked circles (tori). It has been mathematically proven that solutions to Maxwell’s equations (electromagnetism) can form these knotted structures.[28, 29]

5.2 The "Knotted Light" Experiments

This is not just theory. Recent experiments have successfully created "knotted fields" in the laboratory.

  • Optical Knots: Researchers have used lasers to create "optical vortices" where the dark lines of the light beam form closed loops and knots.[28, 30]
  • Fluid and Plasma Knots: Similar structures have been observed in plasma flows and nematic liquid crystals.[31, 32]
  • Relevance to Penrose: These experiments demonstrate that continuous fields can mimic discrete particles. A "knotted" pulse of light travels like a particle and maintains its structure. Penrose suggests that all fundamental particles are simply more complex versions of these knots—self-tied bundles of spacetime curvature or gauge fields.[26, 33]
Concept Standard Particle View Topological Field View (Penrose)
Stability Guaranteed by abstract "conservation laws" Guaranteed by "Topological Invariants" (Knot types)
Charge A scalar number attached to a point A measure of the twist/winding of the field
Interaction Collision of billiard balls Merging and splitting of field topology
Analogy Hard Marbles Vortices in water / Knots in rope


6. Gravity and Objective Reduction: The Enforcer of Reality

Penrose’s "no particle" ontology is inextricably linked to his solution for the Measurement Problem in Quantum Mechanics.

6.1 The Superposition Crisis

In QM, particles exist in a superposition of states (State A + State B) until observed. Standard physics (Copenhagen) offers no mechanism for this "collapse." It just happens when a "measurement" occurs. Penrose argues this is physically incoherent. He posits that the collapse is a real physical process driven by Gravity.[20]

6.2 The "One-Graviton" Threshold

Penrose combines the principles of GR and QM to propose Objective Reduction (OR).

  • Superposition of Spacetimes: Matter creates spacetime curvature (gravity). If a massive object is in a superposition of two locations, it creates a superposition of two different spacetime curvatures.
  • The Instability: Spacetime is "stiff." It resists being torn into two shapes. The energy difference ($E_G$) between the two spacetime configurations creates an instability.
  • The Collapse: When this gravitational self-energy becomes large enough (roughly the energy of one graviton, or when the mass approaches the Planck mass), the superposition decays spontaneously into one defined state.[34]

    $$T \approx \frac{\hbar}{E_G}$$

    Where $T$ is the lifetime of the superposition.

6.3 No Particles, Only Geometries

In this framework, a "particle" is just a quantum superposition that hasn't collapsed yet because it is too light to disturb spacetime significantly. A macroscopic object (like a cat) is "real" and "solid" only because it is massive enough to trigger Objective Reduction instantly ($T$ is tiny).

  • Conclusion: "Solidity" is a feature of gravitational collapse, not an intrinsic property of matter. We are "made of fields" that are constantly collapsing into definite geometries due to gravity.[35]

7. Consciousness: The Field Experiencing Itself

One of the most profound implications of Penrose’s field ontology is his theory of consciousness, Orchestrated Objective Reduction (Orch-OR).

7.1 The Non-Computational Mind

Penrose argues, using Gödel’s Incompleteness Theorems, that human understanding is non-computational. We can grasp truths that algorithms cannot prove.[36] If the brain were just a computer made of discrete particles (neurons acting as bits), it would be algorithmic. Therefore, the brain must be harnessing a non-computational physical process.

  • The Source: The only non-computational process in physics, according to Penrose, is the random, objective collapse of the quantum wavefunction (OR).[36, 37]

7.2 Microtubules as Quantum Antennas

Penrose and anesthesiologist Stuart Hameroff propose that microtubules inside neurons act as quantum isolation chambers. They allow quantum field states to build up (superpose) until they reach the gravitational threshold for collapse.

  • The Moment of Awareness: The collapse event (OR) is the moment of conscious awareness.
  • Connection to "No Particles": This theory is only viable if the brain is not a machine of moving parts, but a machine of manipulating quantum field geometries. Consciousness is a ripple in the fundamental field of the universe. We are not "ghosts in the machine"; we are the "music of the field".[38, 39]

8. Cosmological Consequences: The Massless Universe

Penrose’s rejection of the particle extends to the beginning and end of the universe, culminating in his Conformal Cyclic Cosmology (CCC).

8.1 The Heat Death and the Loss of Time

In the far future, the universe will expand and cool. Black holes will evaporate. Eventually, all massive particles (protons, electrons) may decay or be annihilated, leaving only photons and gravitational waves.[40]

  • Mass is a Clock: Einstein showed that mass is a frequency ($E=hf=mc^2$). A massive particle acts as a clock.
  • Massless Timelessness: Photons do not experience time. If the universe contains only massless fields, it loses the ability to keep time or measure distance. Scale becomes irrelevant.[41]

8.2 The Geometric Reset

Penrose argues that a universe with no mass and no scale is geometrically identical to the Big Bang (which was also a hot, dense state dominated by massless radiation).

  • The Cycle: The infinite, massless future of one aeon becomes the Big Bang of the next.
  • The Role of Particles: This theory relies on the transience of particles. If particles were eternal, indestructible "things," the universe would end in a cluttered graveyard. Because particles are just knots in the field that can eventually untie (decay), the universe can cleanse itself and be reborn. The "no particle" view is essential for an eternal cosmos.[42]

9. Philosophical Foundations: Mathematical Platonism

Why does Penrose hold these radical views? The root lies in his philosophical commitment to Mathematical Platonism.

9.1 The Three Worlds

Penrose posits a metaphysics of "Three Worlds" that interact in mysterious ways [17]:

  1. The Physical World: The realm of matter/fields.
  2. The Mental World: The realm of consciousness.
  3. The Mathematical World: The realm of abstract truth (Platonic forms).

Penrose believes the Mathematical World is the primary reality. The Physical World is a shadow or projection of mathematical truths.[43, 44]

9.2 Rejection of "Ugly" Math

Because he believes the physical world is mathematics, he cannot accept physical theories that are mathematically ugly or inconsistent.

  • Renormalization: To a Platonist, the infinite sums of QFT are not just inconveniences; they are evidence that the theory does not map to the "true" Mathematical World. A Platonic reality must be perfect.
  • Elegance of Fields: Continuous fields, complex analysis, and geometry are mathematically elegant. They fit the Platonic ideal. "Particles" with their singularities do not.[45]

Thus, Penrose’s physics is driven by an aesthetic and philosophical conviction: Reality must be beautiful, and "things" are messy.


10. Conclusion: The Reality of the Abstract

The evidence synthesized in this report—from the "hocus-pocus" of renormalization to the geometric elegance of Twistor theory and the experimental verification of knotted fields—converges on a singular, profound insight: Solidity is an illusion.

Roger Penrose’s lifework has been a campaign to dismantle the intuitive "particle" ontology and replace it with a deeper, more resilient framework based on quantum fields and spacetime geometry.

  • Mathematically, the particle is a singularity that breaks the equations.
  • Geometrically, the particle is a derived intersection of light rays (Twistors).
  • Topologically, the particle is a knot in a continuous medium.
  • Cosmologically, the particle is a transient phase in an eternal, massless cycle.

To accept Penrose’s view is to accept that we are not isolated fragments of matter navigating a void. We are complex, self-sustaining patterns within a single, unified, and dynamic quantum field. As the video "Cosmos The Penrose Way" suggests, we are made of the same fabric as the light and the vacuum—made not of "things," but of possibilities, geometries, and the fundamental fields of the universe.

"The reality of the field was required to preserve mathematical harmony... operations of the physical world are now known to be in accord with elegant mathematical theory to an enormous precision." [45]

In the final analysis, the "particle" will likely be remembered as a useful approximation of the 20th century, destined to be replaced by the rich, continuous, and "palatial" geometry of the 21st.


References

  1. Cosmos The Penrose Way. "There Are NO Particles (You're Made of Quantum Fields, Not Things) | Roger Penrose Explains Reality." YouTube. Link.
  2. Penrose, Roger. The Road to Reality: A Complete Guide to the Laws of the Universe. Vintage, 2005.
  3. Reddit Discussion (r/Metaphysics). "The best way to think of a quantum field is that it is the mathematical symmetries of all the ways that nothing can thing." User rogerbonus. Link.
  4. Penrose, Roger. The Road to Reality. (Discussion of infinities and renormalization).
  5. Anderson, Mark. "Resonance Theory: Part VII: What Is Spin?" StratNews. Link.
  6. "The best way to think of a quantum field..." (See Citation 3).
  7. Schwartz, Matthew. Quantum Field Theory and the Standard Model. Cambridge University Press. (Discussion of divergences).
  8. Feynman, Richard. "The Radiation Theories of Tomonaga, Schwinger, and Feynman." Physical Review 75 (1949). (Critique of renormalization as "hocus-pocus").
  9. Swiecki, M. "The Self-Aware Emptiness of the Quantum Universe." (Referencing Feynman's critique). Link.
  10. Yin, Xi. "An Ode to Ugly Physics." Inference Review. (Discussing Dirac's aesthetic rejection). Link.
  11. Fraser, Doreen. "Particles in Quantum Field Theory." Routledge Companion to Philosophy of Physics. Link.
  12. ResearchGate Discussion. "Is there a basis for Higgs explanations involving zig-zag motion?" (Standard Model vs Penrose view). Link.
  13. Kuhlmann, Meinard. "Quantum Field Theory." Stanford Encyclopedia of Philosophy. (Ontological debates).
  14. Adamo, Tim. "Twistor Theory." Scholarpedia. (Penrose's geometric approach).
  15. Wilson, Kenneth. (Renormalization Group and Effective Field Theory context). See also: Carroll, Sean. "The Effective Field Theory of Everyday Life."
  16. Crowther, Karen. "Effective Field Theory." (Defense of EFT). Link.
  17. Penrose, Roger. The Road to Reality. (Search for the fundamental theory).
  18. Penrose, Roger. The Road to Reality. (Critique of String Theory and EFT).
  19. Penrose, Roger. "Palatial twistor theory and the twistor googly problem." Philosophical Transactions of the Royal Society A (2015). Link.
  20. Penrose, Roger. "On the Gravitization of Quantum Mechanics." (Wavefunction reality). Link.
  21. "Twistor Theory." Wikipedia / Math.Columbia.edu. (Light rays as primaries). Link.
  22. "Twistor Space." Wikipedia. (Geometric definition). Link.
  23. Penrose, Roger. "Palatial twistor theory and the twistor googly problem." (Incidence relation).
  24. "Reading Feynman." The Road to Reality. (Complex numbers in physics). Link.
  25. "From Pure Geometry to Tangible Reality." (Non-locality and geometry). Link.
  26. "Tying Knots in Light Fields." ResearchGate. (Knotted field experiments). Link.
  27. Penrose, Roger. "Palatial twistor theory and the twistor googly problem." (The Googly Problem).
  28. Dennis, M. R., et al. "Isolated Optical Vortex Knots." Nature Physics. (Hopf Fibration). Link.
  29. "Electromagnetic Knots." arXiv:2202.00169. Link.
  30. Kedia, H. "Knotted Fields." (Optical vortices). Link.
  31. "Knotted Fields in Plasma." PNAS. Link.
  32. "Knotted Fields in Plasma." (Fluid dynamics). Link.
  33. Hacker News Discussion. "Particles are knots... on fields?" Link.
  34. "Orchestrated objective reduction." Wikipedia. (One-graviton threshold). Link.
  35. Penrose, Roger. The Road to Reality. (Gravity and solidity). Link.
  36. "Why Intelligence Is Not a Computational Process." Breakthrough Discuss. Link.
  37. "Orchestrated objective reduction." (The collapse mechanism). Link.
  38. Hameroff, Stuart & Penrose, Roger. "Consciousness in the Universe: A Review of the 'Orch OR' Theory." Physics of Life Reviews.
  39. "Theories of Consciousness: Orchestrated Objective Reduction." Link.
  40. Woit, Peter. "Cycles of Time Review." Math.Columbia.edu. Link.
  41. "Cycles of Time" / "No particles" Discussion. (Massless universe). Link.
  42. "Multi-Verse." (Topology and geometric reset). Link.
  43. "A Defense of Mathematical Platonism." A Student Forever. Link.
  44. "Why Mathematics Works." Essentia Foundation. Link.
  45. "Three Part Harmony: Mind, Matter, Mathematics." Houston Christian University. Link.

Saturday, 17 January 2026

The Golden Hind



The Golden Hind: Sir Francis Drake's Flagship

This post was generated by Gemini's Deep Research mainly as an exercise in getting content from Gemini to display satisfactorily in Blogger by using HTML generated by the AI itself. This circumvents formatting glitches that bedevil the copy and paste process when using the standard copy option in Gemini.


A replica of the Golden Hind

Few ships in maritime history evoke as much wonder and controversy as the Golden Hind. Best known as the flagship of Sir Francis Drake during his circumnavigation of the globe between 1577 and 1580, this English galleon played a pivotal role in the era of Elizabethan exploration and privateering.

From Pelican to Golden Hind

It is a lesser-known fact that the ship was not originally christened the Golden Hind. When she launched in Plymouth, she was known as the Pelican. She was a relatively small galleon, weighing about 120 tons, with a length of roughly 102 feet.

Mid-voyage, in 1578, as the expedition prepared to enter the treacherous Strait of Magellan, Drake renamed the ship. He chose the name Golden Hind to honor his patron, Sir Christopher Hatton, whose family crest featured a golden hind (a female red deer). This political maneuver was likely calculated to smooth over tensions back home regarding the expedition's controversial nature.

The Circumnavigation

Drake's voyage was a feat of extraordinary endurance. Of the five ships that set sail from England, only the Golden Hind completed the journey. The ship survived violent Atlantic storms, the perilous passage around South America, and the vast, unknown expanse of the Pacific Ocean.

The ship was heavily armed for her size, carrying 22 guns. This firepower was necessary not just for defense, but for the primary purpose of the mission: plundering Spanish shipping routes along the Pacific coast of the Americas.

The Treasure Ship

The Golden Hind became one of the richest ships in history. During her voyage, she captured the Spanish galleon Nuestra Señora de la Concepción (nicknamed Cagafuego). The haul was immense, including 26 tons of silver, half a ton of gold, porcelain, and jewels.

When the ship finally returned to Plymouth in September 1580, the treasure on board was valued at over £300,000—more than the Crown's entire annual income. Queen Elizabeth I received a half-share of the treasure, which allowed her to pay off the entire national debt.

A Floating Monument

Following the voyage, the Golden Hind was brought to Deptford, London. In a rare move for the time, Queen Elizabeth ordered the ship to be preserved as a museum piece—the first known instance of a ship being preserved for public display. It remained there for nearly a century before eventually rotting away, though timber from the hull was reportedly used to make a chair that now sits in the Bodleian Library at Oxford.

"Whoever commands the sea, commands the trade; whosoever commands the trade of the world commands the riches of the world, and consequently the world itself." — Sir Walter Raleigh

Today, the legacy of the Golden Hind endures as a symbol of the Age of Discovery, representing both the navigational brilliance and the aggressive expansionism of the Elizabethan era.

Thursday, 15 January 2026

Check Out

I have had annoying formatting problems when copying from Gemini and pasting to Blogger. I asked Gemini about how to best address with problem and here is what is came up with, in a nutshell:

"Convert the above response into HTML for a blog post. Use <p> tags for paragraphs and <h3> tags for headings."

Earlier I'd tried to create a post about the use of the phrase "check out" that I'd gotten Gemini to investigate but I abandoned the attempt due to formatting frustrations. Here is the response using Gemini's HTML advice:

The Many Meanings of "Check Out"

The phrasal verb "check out" is incredibly versatile in English. Depending on the context, it can mean anything from leaving a hotel to verifying facts. Here are the most common ways it is used:

1. To Investigate or Look At

This is perhaps the most casual and common use. It means to look at something interesting or to investigate a situation.

  • Example: "Hey, check out that cool car over there!"
  • Example: "I need to check out that new noise my engine is making."

2. To Leave a Hotel

This refers to the formal process of paying your bill and returning your keys before leaving an accommodation.

  • Example: "We need to check out of the hotel by 11:00 AM."

3. To Pay for Items (Retail)

Used when you are finishing a purchase at a store or online.

  • Example: "I found everything I needed, so I'm going to go check out now."

4. To Borrow (Library)

Specifically used when borrowing books or media from a library.

  • Example: "You can only check out three books at a time."

5. To Verify or Prove True

Used when confirming if information or an alibi is correct.

  • Example: " The police investigated his story, and his alibi checks out." (Meaning: It is true/valid).

6. To Become Mentally Absent

A more slang usage meaning someone has stopped paying attention or has lost interest.

  • Example: "The lecture was so boring that I just checked out after ten minutes."


Infographic generated by Gemini based on blog post content

I reminded Gemini about the use of the term "check out" in darts and here was the response. It added information about the darts but reprocessed the whole response. It differs somewhat from the original so I've retained both.

The phrase “to check out” is one of the most versatile phrasal verbs in the English language. It functions as both a transitive verb (doing something to an object) and an intransitive verb (just doing the action itself).

Here is a breakdown of the different contexts in which this phrase is used, ranging from formal procedures to sports terminology.

1. Investigation and Inspection

This is perhaps the most common general usage. It means to look at something closely to learn more about it, evaluate it, or enjoy it. It is often used when investigating a noise, researching a topic, or visiting a new location.

  • "You should check out that new Italian restaurant downtown."
  • "I heard a strange noise in the basement; I'm going to check it out."

2. Validity and Consistency

When used intransitively (without an object), it means "to prove to be true" or "to be consistent with the facts." This is common in police investigations, fact-checking, or verifying alibis.

  • "His alibi checks out; he was at the movies when the crime happened."
  • "I did the math three times, and the numbers check out."

3. Departing a Place of Stay

This refers to the administrative process of settling your bill and leaving a temporary accommodation or facility, such as a hotel or hospital.

  • "We need to check out of the hotel by 11:00 AM."
  • "The doctor said he can check out of the hospital tomorrow morning."

4. Completing a Transaction (Retail & Libraries)

This usage covers the final step of a process, usually involving paying for goods or officially recording a borrowed item. It is standard in supermarkets, online shopping, and libraries.

  • "I’m ready to pay; I’ll meet you at the checkout counter."
  • "I went to the library to check out three books on history."

5. Mental Disengagement

A metaphorical usage meaning to lose focus, stop paying attention, or become unenthusiastic. It implies the mind has left the room even if the body is still there.

  • "The lecture was so boring that I checked out after ten minutes."
  • "He has completely checked out of this relationship."

6. Observing Someone (Often Romantically)

This is informal slang meaning to look at someone intently, usually because you find them attractive. It can also refer to sizing up an opponent in a competition.

  • "I think that guy over there is checking you out."
  • "He was checking out the competition before the race started."

7. Administrative "Check-Out" (Inventory)

In professional settings, such as IT departments or the military, this refers to officially signing for a piece of equipment so that it is tracked under your name.

  • "You need to see the quartermaster to check out your gear."
  • "I need to check out a company laptop for my business trip."

8. Euphemism for Dying

A somewhat grim, slang usage (similar to "kicking the bucket"), implying leaving life in the same way one leaves a hotel. This is often found in noir fiction or movies.

  • "He lived a long life and finally checked out at the age of 95."

9. The Darts "Checkout" (Winning the Leg)

In the sport of Darts (specifically 501), "checking out" is the critical final phase of the game. To win the leg, a player must reduce their score to exactly zero, with the final dart landing on a double.

  • "He needs 170 to check out."
  • "That was a magnificent 120 checkout!"
Notice how "check" and "out" are separate when used as a verb but combined into "checkout" when used as a noun. 

Overall I'm happy with this uncomplicated solution to a problem that had been bedeviling me for some time.

Saturday, 10 January 2026

More Infographics

A popular prompt for last year that made use of Nano Bananas was to "create an infographic about this plant focusing on interesting information". So I prompted Gemini with the following:

Create an infographic about so-called "red-eared sliders", as far as I know a type of terrapin native to the Florida everglades, focusing on interesting information.

Well, one thing I learned from the infographic generated was that these creatures are NOT native to the Florida everglades. See Figure 1.


Figure 1

My next prompt (see Figure 2 for the result) was:

Create an infographic about the different types of terrapins found around the world, focusing on their distribution and including interesting information.


Figure 2

My next prompt (see Figure 3 for the result) was:

Create an infographic highlighting the differences between tortoises, turtles and terrapins.

Figure 3 

Thursday, 8 January 2026

ADA versus ADALAH

Here is the very helpful Gemini response to the following prompt:

In the Indonesian language, what is the difference in usage between "ada" and "adalah" with sometime just "lah" thrown in for good measure? Please clarify.

This is a great question because while these words can all translate to versions of "to be" or "is" in English, they serve entirely different grammatical functions in Indonesian.

Here is the definitive breakdown of how to distinguish and use Ada, Adalah, and the suffix -lah.


1. Ada (Existence, Location, or Possession)


Think of Ada as covering "to exist," "to be present," or "to have." It is strictly about presence.

  • Existence (There is/There are):

    • Ada masalah besar. (There is a big problem.)

    • Tidak ada gula. (There is no sugar.)

  • Location (To be at):

    • Budi ada di rumah. (Budi is at home.)

  • Possession (To have):

    • Saya ada uang. (I have money.)

Key Rule: If you can replace the word with "exists," "is present," or "have," use Ada.

2. Adalah (Definition or Equivalence)


Adalah
functions as an "equals sign" ($=$). It connects a Subject to a Noun that defines it. It is primarily used for definitions.

  • Noun = Noun:

    • Singa adalah hewan buas. (A lion is a wild animal.)

    • Jakarta adalah ibu kota Indonesia. (Jakarta is the capital of Indonesia.)

Crucial Warning (The Adjective Trap):

Unlike English, you generally do NOT use adalah to connect a subject to an adjective.

  • English: The car is red.

  • Indonesian: Mobil itu merah. (Correct)

  • INCORRECT: Mobil itu ~~adalah~~ merah.

Adalah is optional in casual speech even for definitions, but strictly required in formal writing when defining something.

3. -lah (The Emphasis Suffix)


-lah
is not a verb; it is a "particle" (a suffix) attached to the end of a word. It acts like a highlighter pen for speech. It stresses the word it is attached to, often providing emotional nuance, focus, or politeness.

  • Softening Commands (Politeness):

    It turns a harsh order into a polite request or encouragement.

    • Makan! (Eat! - Rough command)

    • Makanlah. (Please, eat / Go ahead and eat.)

  • Emphasizing the Subject (It was X who...):

    It creates focus on a specific person or thing.

    • Dialah yang mencuri. (It was he [specifically him] who stole.)

    • Inilah hasilnya. ( This is the result.)


Summary Table

 Word or
 Part
 Function English Equivalent Example
 Ada Existence / Location /   Possession There is / To be at / To   have Ada kucing. (There is a   cat.)
Adalah Definition / EquivalenceIs / Are (Equals sign)Dia adalah guru. (He is a   teacher.)
 -lah Emphasis / Politeness (Tone stress) / "Please" /   "Do"Pergilah. (Please go / Do   go.)

How they interact (The "Adalah" vs. "-lah" confusion)

Sometimes learners confuse adalah and -lah because adalah ends in lah.

  • Adalah is a root word meaning "is" (definition).

  • -lah is a suffix you add to other words.

However, you can add -lah to ada to create Adalah (Wait, no, that's false etymology, but helpful for memory). Actually, strictly speaking:

  • Ada + -lah = Adalah (This creates the definition word).

  • But usually, you add -lah to verbs (e.g., Duduklah - Please sit).

Final Verdict: When to use which?

  1. Do you want to say something exists or is located somewhere? Use Ada. (Dia ada di sana).

  2. Are you defining what something is (Noun = Noun)? Use Adalah. (Ini adalah buku).

  3. Are you describing a quality (Subject is Adjective)? Use Nothing. (Buku ini berat).

  4. Are you giving a command or highlighting a specific word? Attach -lah. (Bacalah!).

Sunday, 4 January 2026

Making More Use of Google Keep

Following on from previous post about Childrens' First Dictionary, I've found a way of combining the content of this dictionary with Google Keep while at the same time working my way through the dictionary. What I've doing is taking a screenshot of a word. Let's use the word "acrobat" as an example. See Figure 1.


Figure 1

I then upload the image to Keep and get it to extract the text for me. I can then add to the text if I want to and which I've done for this particular word. See Figure 2 where the comments as not included in the screenshot because they're too lengthy. I've given this note the label KAMUS GAMBAR and clicking on this label will bring up all the notes so labelled. This makes access on a mobil device quite easy. 


Figure 2

I'll use Keep far more widely now and not just for the Kamus Gambar. The secret is in choosing the labels.