What's the sharpest knife on earth? - Physics Forums
Mar 22, 2007 · Good quality obsidian fractures down to single molecules which can produce a cutting edge 500 times sharper than the sharpest steel scalpel blade ("American Medical …
Retired physicist, entrepreneur. - Physics Forums
Feb 9, 2026 · I am a retired Physics prof. and Entrepreneur who has just joined. My work focus was applied physics, plasma and semicondcutor. I am now interested in a much broader field …
Introduction upon registering on this site • Physics Forums
Feb 11, 2026 · For almost 40 years I was a physics professor in France at the undergraduate level (preparatory classes for engineering schools). I am now retired but I continue to be …
Prove that evolution is constant (Provide at least two arguments to ...
Jul 5, 2025 · The discussion revolves around the question of whether evolution is constant, with participants exploring various arguments and interpretations of the term "constant" in the …
Programming Jokes: Lame, Science & Math Jokes! - Physics Forums
Nov 4, 2022 · The thread centers around programming jokes, inviting participants to share humorous anecdotes and quips related to programming, coding, and the experiences of …
Forever searching for answers to questions & new questions to …
Jul 31, 2025 · Hi, I'm a lifetime student. If you wanna know something feel free to ask, I will, & hopefully we can help each other learn something.
Kitten Lovers: Cuteness Overload | Page 77 • Physics Forums
Jun 18, 2012 · The thread centers around the joys and challenges of owning kittens, with participants sharing personal anecdotes, updates on their pets, and expressing their affection …
Novice registration, hoping to grow together with everyone
Dec 17, 2024 · I'm glad to be here, and I hope to learn, progress, and grow with everyone
Calculating ##\\langle zHz \\rangle## in different ways
Jul 26, 2025 · Homework Help Overview The discussion revolves around calculating the expression in quantum mechanics, specifically in the context of the Hydrogen atom. …
Getting into Plasma Physics and Fusion
Jul 26, 2025 · The discussion revolves around the interest in plasma physics and fusion, particularly from a participant who has recently completed a degree in nuclear and radiation …