geometrysimple
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Simple Geometry, Deep Math

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Introduction It is a remarkable fact that consideration of…
quantumflux
,

Vacuum Fluctuations in Experimental Practice

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This Insight Article is a sequel of the Insight Articles ”The…
magnet
,

Permanent Magnets Explained by Magnetic Surface Currents

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Introduction: The purpose of this Insight is to explain permanent…
highercategorytheory
,

Why Higher Category Theory in Physics?

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  This here is my personal story. For an alternative…
SchwarzschildGeometry3
,

The Schwarzschild Geometry: Part 3

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  When we left off in part 2, we were looking at…
fakenews
,

Fake News and Science Reporting

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During and even after the recent US election campaign, there…
quantumapplitudes
,

Quantum Amplitudes, Probabilities and EPR

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This is a little note about quantum amplitudes. Even though quantum…
fishresearch
,

Real Research in Unexpected Places - Backyards, Barns, Bayous

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21st century science labors under the myth that good experimental…
representations
,

Representations and Why Precision is Important

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First of all: What is a representation? It is the description…
angledimensions
,

Can Angles be Assigned a Dimension?

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1. Some Background on Dimensional Analysis ... if you are…
whystudyphysics
,

Why Study Physics? A Bit Goes a Long Way!

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If you don’t plan to become a scientist or an engineer, is…
vaccummyth
,

The Vacuum Fluctuation Myth

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This Insight Article is a sequel of the Insight Articles ”The…
anyon
,

Anyon Demystified

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Every quantum physicist knows that all particles are either bosons…
frameofreference2
,

Frames of Reference: A Skateboarder's View

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My essay Explaining Rolling Motion raised some commentary about…
relativitygauge
,

General Relativity as a Gauge Theory

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The fundamental interactions of the Standard Model are described…
govandteachers
,

Blaming Government for Teacher and Scientist Failures in Integrity

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The article, "Governmental policy is wrecking science," makes…
quantumparticle
,

Spectral Standard Model and String Compactifications

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    The Connes-Lott-Chamseddine-Barrett model…
cmbprimer4
,

A Poor Man's CMB Primer. Part 4: Cosmic Acoustics

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  Before decoupling, photons and charged particles…
spacetimecon
,

Struggles with the Continuum - Conclusion

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  We've been looking at how the continuum nature…
11dgravity
,

11d Gravity From Just the Torsion Constraint

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  It is familiar that Einstein gravity may be formulated …
spacetime7
,

Struggles with the Continuum - Part 7

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  Combining electromagnetism with relativity and…
ohmslaw
,

Ohm's Law Mellow

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At first I wanted this title to say “Ohm’s law is not a Law.” …
carcapacity
,

Why Road Capacity Is Almost Independent of the Speed Limit

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Let us start with a familiar situation. Take a familiar part…
Supersymmetry
,

Why Supersymmetry? Because of Deligne's theorem.

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    In 2002, Pierre Deligne proved a remarkable…
LHC4
,

LHC Part 4: Searching for New Particles and Decays

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  The LHC experiments are in full swing collecting…
acusticbeats
,

Acoustic 'beats' from Mismatched Musical Frequencies

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In late high school physics courses and first year university…
polymer
,

Polymer Physics and Genetic Sequencing

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Introduction My main research focuses on using DNA molecules…
, ,

Relativity on Rotated Graph Paper

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This Insight is a follow up to my earlier tutorial Insight (Spacetime…
groupsandgeometry
,

Groups and Geometry

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There is a very deep link between group theory and geometry.…
computers
,

Friends, Strangers, 7825 and Computers

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This insight will be about Ramsey theory. Ramsey theory has its…
, ,

Spacetime Diagrams of Light Clocks

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We demonstrate a method for constructing spacetime diagrams for…
,

A Problem From "Incandescence"

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The following problem was inspired by reading Greg Egan's "Incadescence". …
softwarenotperfect
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Your Software is Never Perfect

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We occasionally have students ask for help on software, "My software…