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Recent Posts
 Causal emergence, downward causation, and more…
 Few comments on the pratityasamutpada concept
 Word clouds
 Etymology of elementary particle names
 On the concept of scalar field
 Is there a particle that interacts with muons but not electrons?
 Updated links: LHC (Large Hadron Collider) operation
 Testing Google Neural Machine Translation (Turkish to English)
 Ernst Mach
 A rare good news from Middle East: SESAME opens
 China’s Noah’s Ark
 Polyakov classic: Confinement and Liberation
 1933 New Yorker articles on Einstein
 Muon g2 mystery
 Most watched physics videos (compiled by TrueSciPhi)
 Story of how Feynman tried to get rid of fields but couldn’t
 Form
 2017 Oppenheimer Lecture by John Preskill on Quantum Computing
 You know, it would be sufficient to really understand the electron
 How long does it take to reach the bottom?
 Primordial qubit network perspective
 On the photonphoton interaction
 The Legacy of the Tevatron by S.D. Holmes and V.D. Shiltsev
 In 4 space dimensions all knots can be unraveled
 Stanford
 A profile of Roger Penrose by Philip Ball
 Updates (February 2017)
 Sounds of Aya Sophia
 EDGE 2017 question and 206 responses by invited contributors
 Update on how Earth’s magnetic field is changing
 John Hagelin’s “Restructuring Physics” article from 1989
 Updates (December 2016)
 Reflections on this anniversary of Shebi Arus (2016)
 Cartoon guide to quantum computing by Scott Aaronson and Zach Weinersmith
 Qubit
 Book bunker below Bryant Park
 Unsolved problems in physics
 Nobel Prizes for Accelerator/Beam Physics
 A guide to Richard Gauthier’s Electron Models
 Knowledgebase
 Updates (November 2016)
 L.V. Lorenz and H.A. Lorentz
 Edward Witten’s 2014 Kyoto Prize commemorative lecture
 Geometrical versus Topological
 Super performance of the Large Hadron Collider in 2016
 Fourth type of neutrino has never been observed
 Guest Post by Raymond Bates on Panpsychism
 Few comments on Horgan’s bunkbashing diatribe
 Roger Penrose’s latest book: Fashion, Faith, and Fantasy
 Atiyah lecture at 2016 Heidelberg Laureate Forum
 Matthew Buckley’s particle physics tutorial articles at Boston Review
 Epistemic uncertainty
 CASW Showcase interview with Natalie Wolchover
 bioRxiv: the preprint server for Biology
 Can astronauts see the stars by the naked eye in space?
 LMFDB: unifying the building blocks of mathematics
 Tanedo on the 17 MeV Anomaly in Beryllium Nuclear Decays
 A lot is happening
 Large Hadron Collider (LHC) is breaking performance records
 FERMILAB History and Archives Project
 Helen Thom Edwards
 The 500 article milestone: time for reflection
 Galileo’s Diagramma Della Verita
 Curious about lunar calendars
 How long astronauts stayed on the moon?
 Subspace
 Lost in translation (3)
 Counterfactual definiteness
 Updates (May 2016)
 Pioneers of Microvita Research (3): HansJoachim Rudolph
 Pioneers of Microvita Research (2): Frank van den Bovenkamp
 Pioneers of Microvita Research (1): Richard Gauthier
 Microvita links
 Lost in translation (2)
 What is an inverse femtobarn?
 Live Beam Status at LHC
 EDGE 2016 question and 198 responses by the invited contributors
 A short comment on Reichenbach’s Principle of Common Cause
 Sad state of physics education in Turkey
 Updates (April 2016)
 Interesting karma between Einstein and Bohr
 Updates (March 2016)
 Payback
 alla turca time
 Smell of space
 Quick reminders about the leap day
 Umberto Eco
 Principle of minimal structure
 Direct observation of gravitational waves by the Advanced LIGO
 Sugar Bliss
 Spin and charge forbid pointlike selfcouplings for all particles but the Higgs
 Lost in translation (1)
 What does an antiatom do in a gravitational field?
 Metatheory
 Few comments on Sutra 4.8 of Ananda Sutram
 Lepton universality
 Shrii Shrii Anandamurti’s comments on the triattributional primordial force
 Orthogonality is harder to achieve as the number of explanatory factors increases
 Difference between a point particle and an extended particle
 Reflections on this anniversary of Rumi’s Shebi Arus (2015)
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Category Archives: geometry
In 4 space dimensions all knots can be unraveled
Nobel laureate Frank Wilczek reminds us in his tutorial article at the Quanta magazine that in 4 space dimensions all knots can be unraveled completely. He explains it as follows: “In three space dimensions, knot theory is a subtle, complicated … Continue reading
Posted in geometry
Tagged DNA, Gordian knot, Knot Theory, topoisomerases
Mobius strip representation of spin 1/2
Physics The elementary particles known as fermions (electron, muon, tau and u, d, c, s, b, t quarks ) and their antiparticles are the constituents of matter. A fermion will impart units of spin angular momentum when it interacts with … Continue reading
Posted in geometry, physics
Tagged Spin (physics), spinors, Weyl spinor
Klein’s Quartic Curve Inside Out (animation)
This is from 2005 but geometry is ageless. In week 215 John Baez discussed the Klein’s quartic curve. He mentioned the science fiction author and computer programmer Greg Egan’s work on the visualization of the Klein’s quartic curve. I admired … Continue reading
Posted in geometry
Tagged Geometry, Greg Egan, Klein quartic curve
Cubic curves
The reason I am interested in cubic curves is that they may be the simplest mathematical representations of the twisting action. In “Prometheus and Chronos” I tried to build a conceptual model of particles based on the hypothesis of intrinsic … Continue reading
Posted in computer science, geometry, mathematics, physics
Tagged cubic curves, elliptic curves
Proposals for spacetime extensions
Our understanding of the physical universe which is a shadow of the greater Cosmos consisting of spiritual, mental and physical realms is very limited. Our scientific knowledge of the physical universe is growing at an exponential pace but we have only … Continue reading
AlBiruni
image credit I feel so ashamed for not knowing much about alBiruni – the polymath who lived in the 11’th century. His name was brought to my attention by a newspaper article announcing the establishment of a new private university … Continue reading
Posted in geometry, geophysics, history, inspiration, linguistics, mathematics, philosophy, physics, Turkish
Tagged alBiruni, Indology, mathematics, physics, polymath
A rotation equals two reflections
In the picture below, the red line and the blue line are the reflection lines. Image credit The A’B’C’ triangle is a reflection of the ABC triangle in the red line. Let’s call this transformation R1 The EDF triangle is … Continue reading
Quanta Magazine (Simons Foundation)
The Quanta Magazine is a new scientific magazine published online by an editorially independent division of the Simons Foundation. You can reach the magazine at: https://www.simonsfoundation.org/quanta/ “Quanta Magazine is an online publication whose mission is to enhance public understanding of … Continue reading
Posted in geometry, mathematics, physics, science
Tagged Math, Quanta Magazine, Simons Foundation
Mathematical Spirals
The equations of the basic spirals are given in polar coordinates. The is the radius and is the angle measured from the positive horizontal axis.The and are constants. Archimedes Spiral http://mathworld.wolfram.com/ArchimedesSpiral.html Fermat Spiral http://mathworld.wolfram.com/FermatsSpiral.html Logarithmic Spiral http://mathworld.wolfram.com/LogarithmicSpiral.html Golden Spiral The … Continue reading
ThreeLeaved Rose
Simple is beautiful. This universal principle is valid in mathematics and geometry too! Equation for threeleavedrose (trifolium) in polar coordinates is r = a cos (3θ ) where “a” is a constant and the angle θ is measured from the … Continue reading
Posted in geometry, tutorial
Tagged Equation, Polar coordinate system
Phase enables relativity
Physicists are experts at assigning new meanings to the terms established in common language. I mentioned the term “dual” or “duality” before. In common language dual means two. In physics dual means equivalent. Physicists use the word “phase” in different … Continue reading
Posted in geometry, mathematics, physics, science, tutorial
Platonic Solids Revisited
I will not talk about Sacred Geometry. This is a tutorial on geometry. I guarantee that if you read this tutorial you will learn at least one fun fact that you did not know before. How many 3dimensional geometric objects … Continue reading
Posted in geometry, tutorial
Tagged Geometry, Platonic Solid, Tetrahedron
Dini’s Surface (geometry)
A surface of constant negative curvature obtained by twisting a pseudosphere is known as the Dini’s Surface. It is named after Ulisse Dini. The parametric equations are: x = a cos(u) sin(v) y = a sin(u) sin(v) z = a{cos(v) + … Continue reading
Posted in geometry
Tagged Dini's Surface, Geometry