Star Equations

Equations of State for Photon Gas and Relativistic Electron Gas

This Insight develops equations of state that are useful in calculations…
rules of quantum mechanics

The 7 Basic Rules of Quantum Mechanics

For reference purposes and to help focus discussions on Physics…
Quantum Particles

Clarifying Common Issues with Indistinguishable Particles

Commonly there is a lot of imprecision in talking about ''indistinguishable''…
isotropy definition

A Formal Definition of Large-Scale Isotropy

This Insight is part of my attempt to develop a formal definition…
Renewable Energy Power Grid

Renewable Energy Meets Power Grid Operations

The electric power industry faces much turmoil in the coming…
surface integral

Demystifying Parameterization and Surface Integrals

Introduction This article will attempt to take the mystery out…
20 year tech predictions

What Technology or Discovery Will Be the Most Revolutionary Within 20 Years?

We asked our advisors "What technology or scientific discovery…
Maupertuis Principle

A Pure Hamiltonian Proof of the Maupertuis Principle

Here is another version of proof of Maupertuis's principle. This…
Kerr Spacetime

Fermi-Walker Transport in Kerr Spacetime

In the last two posts in this series, we developed some tools…
create a universe story

How to Create a Universe - Instructions for an Apprentice God

(-: ##~~~## A fantasy to be read at leisure time ##~~~## :-) Written…
quantum qubit

A Classical View of the Qubit

This Insight article is part of my paper Foundations of quantum…

Fermi-Walker Transport in Schwarzschild Spacetime

In the first post in this series, we introduced the concepts…

Aiming High and Managing Distractions as Keys to Success for Science Majors

Over the years, I've noticed some distinct trends among the physics…
AVX-512 Programming subtotals

AVX-512 Programming: Extracting Column Subtotals from a Table

In this Insights article I'll present an example that shows how…
Minkowski Spacetime

How to Study Fermi-Walker Transport in Minkowski Spacetime

This is the first of several posts that will develop some mathematical…
The Sum of Geometric Series from Probability Theory

The Sum of Geometric Series from Probability Theory

Here I present a simple (but to the best of my knowledge, new)…
quantum mechanics is incomplete

9 Reasons Quantum Mechanics is Incomplete

I argue that all interpretations of quantum mechanics (QM) are…
AVX-512 conclusion

AVX-512 Assembly Programming: Opmask Registers for Conditional Arithmetic Conclusion

In the first part of this article (AVX-512 Assembly Programing…
AVX-512 registers

AVX-512 Assembly Programming: Opmask Registers for Conditional Arithmetic

This is the second installment in a continuing series of articles…
Simple Harmonic Oscillator Laboratory

An Accurate Simple Harmonic Oscillator Laboratory

Learning Objectives * Execute a specific experimental procedure…
AVX-512 Assembly Programming

An Intro to AVX-512 Assembly Programming

History In 1998, the Intel Corporation released processors that…
against quantum interpretations

Against "interpretation"

I am against "interpretations" of Quantum Mechanics (QM) in a…
lie algebra representations

Lie Algebras: A Walkthrough The Representations

  Part III: Representations  10. Sums and…
abacus introduction

An Introduction to the Traditional Abacus of China and Japan

Introduction Abacuses are commonly seen in ancient civilizations…
Hooke's Law Experiement

An Accurate Hooke's Law Laboratory

Learning Objectives * Gain confidence and experimental care…
Lie Algebra Structure

Lie Algebras: A Walkthrough The Structures

  Part II: Structures5. Decompositions.Lie…
lie algebra basics

Lie Algebras: A Walkthrough The Basics

  Part I: Basics 1. Introduction. This article is…
Data Structures Programming

Intro to Data Structures for Programming

IntroductionIn the first part of this series, I talked about…
Bernoulli's equation

Demystifying the Often Misunderstood Bernoulli's Equation

Introduction Bernoulli's equation is one of the most useful…
Magnetic Field Lines

Are Magnetic Field Lines Real?

We recently had a question in the relativity forums that mentioned…
vehicle power

When Vehicle Power Dictates Acceleration

One interesting problem when dealing with a vehicle of a certain…
Quantum Eraser

The Quantum Mystery of Wigner's Friend

In this Insight I will introduce the quantum mystery called ``Wigner's…
Calculus Therom

A Numerical Insight for the Fundamental Theorem of Calculus

The purpose of this article is not to provide some rigorous statement,…

Inventions and Inventors Quiz

Time to test your inventions, inventors and patent knowledge.…
Super Quantum

The Unreasonable Effectiveness of the Popescu-Rohrlich Correlations

In this Insight, I will show how the Popescu-Rohrlich (superquantum)…
engineer anorlunda

Interview with Engineer Mentor anorlunda

Tell us about your school years? Part of my story is sad but…
bhobba physics interview

Interview with Physics Mentor bhobba

Give us an executive summary on bhobbaI was born in Toowong…
rotational mechanics

An Example of Servo-Constraints in Mechanics

Servo-constraint was invented by Henri Beghin in his PhD thesis…
Telescope Buying Guide

Guide to Buying Your First Telescope

We often have questions about what telescope an aspiring amateur…

What Are Your Favorite Science or Math Blogs?

We asked our PF Advisors to tell us what their favorite science…
stock options math

A Simplified Synthesis of Financial Options Pricing

Financial options (the right to purchase ("call") or sell ("put")…
unity orbital mechanics

Orbital Mechanics in Unity Game Engine for Augmented Reality

In this post I’ll go over implementing basic orbital mechanics…
why quantum

Why the Quantum | A Response to Wheeler's 1986 Paper

Wheeler's opening statement in his 1986 paper, ``How Come the…

Match the Scientist with the Story

Among the most famous people are often geniuses. It's hard to…
tensor calculus

The 10 Commandments of Index Expressions and Tensor Calculus

Having more than 10 years of experience in teaching vector and…
speed of sound

Direct Echo-Based Measurement of the Speed of Sound

Figure 1: Distance vs. time a firecracker report echoed off…
walter lewin

A New Interpretation of Dr. Walter Lewin's Paradox

Much has lately been said regarding this paradox which first…
information definition

How to Better Define Information in Physics

When I ask questions about conservation of information I frequently…

Calculating the Spin of Black Hole Sagittarius A*

This Insight takes a look at how it is possible to calculate…

Interview with Niels Tuning, LHCb Run Coordinator

Physics Forums is pleased to introduce Niels Tuning. He's a…

What Academic Advice Would You Tell Your 18 Year Old Self?

We asked our PF Advisors to tell us what academic advice would…