Nov 25, 2007 · The discussion revolves around finding the derivative of the volume of a cone, specifically in the context of related rates problems in calculus. Participants explore the implications …

Feb 2, 2026 · Quantum interested in and telecommunication electronics

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 19, 2019 · Introduction Overview Abacuses are commonly seen in ancient civilizations around the world as a convenient tool for simple calculations. In this article we focus on the traditional Chinese …

5 days ago · Hi, I was just wondering how bar detectors work. From what Ive read, the electrons act as one, thus accentuates the effect of a single gravitational wave.

Feb 18, 2026 · Several articles describe n,n'-dicyanohydrazine being used as a reagent in chemical synthesis. Is there any reason why it would or wouldn't be possible to replace all the H atoms in …

Feb 14, 2026 · This thread centers around the daily Wordle game from the New York Times, where participants share their results, strategies, and experiences. The discussion includes personal …

Feb 15, 2026 · Hi. I have a wooden organ pipe with removable stopper and wanted to confirm the theoretically predicted spectra using a smartphone app. The formulae for the fundamental …

Jan 14, 2009 · The discussion centers around the meaning of the unit "a.u." as encountered in graphs representing the unit of |E|^2, where E denotes the electromagnetic field. Participants explore its …

Oct 27, 2021 · I'm in trouble with the notations used to rise or lower indices in tensor calculus. Consider the following: g μ ν g ν ρ vs. g μ ν g ρ ν Pick the former: there two way to see it: in the first we can …