### The Sum of Geometric Series from Probability Theory

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

### 9 Reasons Quantum Mechanics is Incomplete

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I argue that all interpretations of quantum mechanics (QM) are…

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

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This is the second installment in a continuing series of articles…

### An Accurate Simple Harmonic Oscillator Laboratory

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Learning Objectives * Execute a specific experimental procedure…

### An Intro to AVX-512 Assembly Programming

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History In 1998, the Intel Corporation released processors that…

### Against "interpretation"

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

### Lie Algebras: A Walkthrough The Representations

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Part III: Representations  10. Sums and…

### An Introduction to the Traditional Abacus of China and Japan

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Introduction Abacuses are commonly seen in ancient civilizations…

### An Accurate Hooke's Law Laboratory

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Learning Objectives * Gain confidence and experimental care…

### Lie Algebras: A Walkthrough The Structures

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Part II: Structures5. Decompositions.Lie…

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### Intro to Data Structures for Programming

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IntroductionIn the first part of this series, I talked about…

### Demystifying the Often Misunderstood Bernoulli's Equation

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

### Are Magnetic Field Lines Real?

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

### When Vehicle Power Dictates Acceleration

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

### The Quantum Mystery of Wigner's Friend

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

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### Inventions and Inventors Quiz

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

### The Unreasonable Effectiveness of the Popescu-Rohrlich Correlations

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

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### Interview with Physics Mentor bhobba

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

### An Example of Servo-Constraints in Mechanics

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

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We often have questions about what telescope an aspiring amateur…

### What Are Your Favorite Science or Math Blogs?

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

### A Simplified Synthesis of Financial Options Pricing

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

### Orbital Mechanics in Unity Game Engine for Augmented Reality

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

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

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

### Match the Scientist with the Story

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

### The 10 Commandments of Index Expressions and Tensor Calculus

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

### Direct Echo-Based Measurement of the Speed of Sound

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

### A New Interpretation of Dr. Walter Lewin's Paradox

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Much has lately been said regarding this paradox which first…

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### Calculating the Spin of Black Hole Sagittarius A*

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

### Interview with Niels Tuning, LHCb Run Coordinator

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

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### Intro to Algorithms for Programming

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Many threads here at PF include some question about how to learn…

### Solving Einstein's Field Equations in Maxima

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A few months ago, pervect pointed me to a post by Chris Hillman…

### What's Your Most Memorable Textbook?

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We asked our PF Advisors to tell us their most memorable or influential…

### Lessons From the Bizzaro Universe

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The terms Bizarro and Bizarro World originated in Superman comics,…

### Rindler Motion in Special Relativity: Rindler Coordinates

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Our destination In our last article, Hyperbolic Trajectories,…

### Either the Sun Is Getting Smaller or Gravity Is Getting Weaker

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Paper discussion: Solar system expansion and strong equivalence…