
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 …
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?
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 …
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 …
How Do You Integrate (dx/dt) dx in Physics Problems?
Aug 15, 2015 · The discussion revolves around the integration of the expression ∫ b (dx/dt) ⋅ dx, particularly in the context of physics problems involving work done by forces proportional to velocity, …
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:
Johns Hopkins Applied Physics Masters online
Jun 3, 2025 · The discussion centers around the online Master's program in Applied Physics offered by Johns Hopkins University. Participants are exploring the program's structure, its affiliation with the …
Line Spectra of Li2+ & Be3+: Shortest Wavelength - Physics Forums
Feb 20, 2007 · The discussion focuses on the line spectra of doubly ionized lithium (Li2+) and triply ionized beryllium (Be3+), specifically identifying the shortest wavelength emitted by each. The …
The relationship between friction and mass • Physics Forums
Jun 17, 2020 · The discussion revolves around the relationship between friction and mass, particularly focusing on static and kinetic friction. Participants explore how mass influences frictional forces and …
Why is HCl called Hydrogen Chloride (by IUPAC naming)?
Nov 25, 2020 · The discussion revolves around the IUPAC naming of HCl, specifically why it is referred to as hydrogen chloride rather than hydrogen monochloride. Participants explore the implications of …