The difference between microscopic and macroscopic cross sections ...
Oct 31, 2010 · This discussion focuses on the comparison of microscopic and macroscopic cross sections, specifically for the elements B, Cd, Gd, and Hf relative to the fission cross section of U-235. …
Does Wavelength Affect Uncertainty in Macroscopic Objects?
Jun 1, 2023 · The discussion revolves around the relationship between wavelength and uncertainty in macroscopic objects within the context of quantum mechanics. Participants explore how the …
Uncertainty principle on macroscopic objects - Physics Forums
Feb 1, 2025 · The uncertainty principle applies to macroscopic objects, but the uncertainty in position is unmeasurably small for something like a lens. You need to do the calculations. For example, if the …
Heisenberg Uncertainty Principle and macroscopic objects
Dec 14, 2024 · The Heisenberg Uncertainty Principle (HUP) is applicable to macroscopic objects, such as a football, despite their composition of numerous particles. The discussion highlights the potential …
Nuclear Macroscopic cross-section - Physics Forums
May 3, 2024 · The discussion revolves around the concept of macroscopic cross-sections in nuclear engineering, specifically addressing a problem from "Introduction to Nuclear Engineering" by …
Practical cosmic speed limit for macroscopic objects?
Dec 21, 2025 · The discussion revolves around the upper limits of velocity for macroscopic objects, particularly focusing on the potential speeds achievable through natural processes and theoretical …
Double slit experiment with macroscopic size objects
Sep 17, 2006 · The discussion revolves around the feasibility and implications of conducting double slit experiments with macroscopic objects, specifically using grains of sand. Participants explore whether …
Understanding the Uncertainty Principle: Microscopic vs. Macroscopic ...
Mar 25, 2016 · Click For Summary The discussion revolves around the Heisenberg Uncertainty Principle, exploring its implications at both microscopic (quantum) and macroscopic (classical) levels. …
Calculation of neutron transport cross section - Physics Forums
Jul 12, 2013 · Another participant provides a formula for macroscopic transport cross section and mentions specific values of 1-cos (theta) for water and heavy water. A different participant questions …
How Does Friction Occur If Atoms Never Truly Touch?
Mar 30, 2010 · The discussion reflects limitations in current understanding of friction, including the dependence on phenomenological models and the unresolved nature of atomic interactions at the …