partial-differentiation

Partial Differentiation Without Tears

/
Differentiation is usually taught quite well. Perhaps that's…
frameofreference2

Frames of Reference: A Skateboarder's View

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

General Relativity as a Gauge Theory

/
The fundamental interactions of the Standard Model are described…
astro_advanced

Advanced Astrophotography Tips

/
  "I’ve tried astrophotography and want to know…
astro_inter

Intermediate Astrophotography Tips

/
  Level 2: I know how to use a camera, what do I…
astro_intro

Introduction to Astrophotography

/
  For this Insight series (3 total), my assumption…
davidhestenes

Interview with a Physicist: David Hestenes

/
For those who don't know the great David Hestenes, he is the…

Interview with Science Advisor DrChinese

/
We are pleased to share with you an interview with PF Science…
govandteachers

Blaming Government for Teacher and Scientist Failures in Integrity

/
The article, "Governmental policy is wrecking science," makes…
cubicfunction

Solving the Cubic Equation for Dummies

/
Everybody learns the "quadratic formula" for solving equations…
digitalcamera3

Digital Camera Buyer's Guide: Real Cameras

/
  I've never owned a camera, but I want to get a…
rollingmotion

Explaining Rolling Motion

/
Although rolling wheels are everywhere, when most people are…
davidgriffths

Interview with a Physicist: David J. Griffiths

/
We are pleased to introduce David J. Griffiths. Professor Griffiths…
quantumparticle

Spectral Standard Model and String Compactifications

/
  The Connes-Lott-Chamseddine-Barrett model is the…
digitalcamera2

Digital Camera Buyer's Guide: Compact Point and Shoot

/
  I've never owned a camera (besides what is in my…
cmbprimer4

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

/
  Before decoupling, photons and charged particles…
digitalcamera1

Digital Camera Buyer's Guide: Introduction

/
  First, congratulations! Camera technology has advanced…
spacetimecon

Struggles with the Continuum - Conclusion

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

11d Gravity From Just the Torsion Constraint

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

Struggles with the Continuum - Part 7

/
  Combining electromagnetism with relativity and…
namethephoto

Name the Science Photo

/
Summer is almost over, but the fun doesn't have to stop! Take…
ohmslaw

Ohm's Law Mellow

/
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

/
Let us start with a familiar situation. Take a familiar part…
quantumhard

Why Is Quantum Mechanics So Difficult?

/
Strangely enough, QM's formalism isn't any more difficult than…
introphysics

So I Am Your Intro Physics Instructor

/
I posted this elsewhere (on my personal blog), and someone mentioned…
entropy

Grandpa Chet's Entropy Recipe

/
How do you determine the change in entropy for a closed system…
Supersymmetry

Why Supersymmetry? Because of Deligne's theorem.

/
  In 2002, Pierre Deligne proved a remarkable theorem…
Schwarzschild

Orbital Precession in the Schwarzschild and Kerr Metrics

/
The Schwarzschild Metric A Lagrangian that can be used to describe…
Precessionrelaitivity

Precession in Special and General Relativity

/
The Absolute Derivative In relativity we typically deal with…
spacetimetetrad

Tetrad Fields and Spacetime

/
A spacetime is often described in terms of a tetrad field, that…
LHC4

LHC Part 4: Searching for New Particles and Decays

/
  The LHC experiments are in full swing collecting…
acusticbeats

Acoustic 'beats' from Mismatched Musical Frequencies

/
In late high school physics courses and first year university…
omissionguage

Omissions in Mathematics Education: Gauge Integration

/
The current (pure) mathematics curriculum at the university is…