Feb 11, 2026 · See: Thanks Bill I think, at rock bottom, math is motivated by an abstraction of physical reality. Why that abstraction was chosen, and even why to some people it has appeal, and others go …

May 7, 2023 · According to the definition of a wave from Wikipedia: A wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities. Now, imagine a particle as a …

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 …

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:

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 …

Apr 4, 2026 · Hi I was wondering what determines whether the Graviton(assuming they exist) get absorbed or pass through an object?

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 …

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 …

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 …

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 …