What Exactly is Dirac's Delta Function? - Physics Forums
Aug 29, 2025 · In Dirac's Principles of Quantum Mechanics published in 1930 he introduced a "convenient notation" he referred to as a "delta function" which he treated as a continuum analog to …
How is literally EVERYTHING in physics not binary?
Jan 17, 2025 · The problem with "sharing what you know" is that unless it commonly accepted, you will need citations. Here's an except from the Terms:
Gravitons/ Gravity • Physics Forums
Apr 4, 2026 · Hi I was wondering what determines whether the Graviton(assuming they exist) get absorbed or pass through an object?
Uultrasonic cleaner trouble. • Physics Forums
Aug 23, 2025 · I have had a Vevor brand ultrasonic cleaner for several years. I purchased it new. When I first purchased it I tested it out by filling the tank with water and turning it on. For about 30 seconds …
MCNP Data Card Errors - Physics Forums
Feb 16, 2025 · I'm trying to resolve two separate fatal errors in my MCNP deck. One is claiming that I'm mixing atom and weight fractions within a single material card, which I'm clearly not if you take a …
What is "motion theory?" • Physics Forums
Mar 31, 2026 · Hey, guys. What is "motion theory?" I heard 2 people babbling in a youtube video about "motion theory" and about how it explains physics better. I'm wondering is this just crackpot …
How many independent components does a tensor have?
Jan 20, 2024 · The discussion revolves around determining the number of independent components of a 4th-rank tensor in a 4-dimensional space, specifically focusing on the Riemann tensor and its …
Mathematical Prep for Physics Majors — Essential Guide
May 11, 2015 · It has often been said that a physics major sometime needs more mathematics than even a mathematics major. Let's find out if that is true!
Matrix to the Power of T: Solving for AT in A= [2 4 6 8]
Dec 9, 2012 · The discussion revolves around the problem of finding the transpose of a matrix A, specifically given as A = [2 4 6 8]. Participants are exploring the implications of interpreting A as …
An Intro to AVX-512 Assembly Programming - Physics Forums
Feb 4, 2019 · Brief history of AVX-512, interesting feature sets, how-to tutorials and an introduction to assembly programming using Intel AVX-512 instructions.