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September 2017 Issue of AJP

September 2017 Issue, Volume 85, No. 9

Dripping faucet in extreme spatial and temporal resolution

Besides its importance for science and engineering, the process of drop formation from a homogeneous jet or at a nozzle is of great aesthetic appeal. In this paper, we introduce a low-cost setup for classroom use to produce quasi-high-speed recordings with high temporal and spatial resolution of the formation of drops at a nozzle. The visualization of the process can be used for quantitative analysis of the underlying physical phenomena..

Editorial

Publication statistics, an invitation, and farewell by David P. Jackson. DOI: 10.1119/1.4999911

Letter to the Editor

Deep Learning In Physics by R. A. Lewis. DOI: 10.1119/1.4997023

Papers

Dripping faucet in extreme spatial and temporal resolution by Achim Sack, and Thorsten Pöschel. DOI: 10.1119/1.4979657

A LEGO Mindstorms Brewster angle microscope by Jonathan Fernsler, Vincent Nguyen, Alison Wallum, Nicholas Benz, Matthew Hamlin, Jessica Pilgram,  Hunter Vanderpoel, and Ryan Lau. DOI: 10.1119/1.4991387

The gravitational self-interaction of the Earth's tidal bulge by Travis Norsen, Mackenzie Dreese, and Christopher West. DOI: 10.1119/1.4985124

Interference between source-free radiation and radiation from sources: Particle-like behavior for classical radiation by Timothy H. Boyer. DOI: doi.org/10.1119/1.4991396

An analysis of the LIGO discovery based on introductory physics by Harsh Mathur, Katherine Brown, and Ashton Lowenstein. DOI: 10.1119/1.4985727

The geometry of relativity by Tevian Dray. DOI: 10.1119/1.4997027

On the definition of the time evolution operator for time-independent Hamiltonians in non-relativistic quantum mechanics by Marcos Amaku, Francisco A. B. Coutinho, and F. Masafumi Toyama. DOI: 10.1119/1.4985723

COMPUTATIONAL PHYSICS

The variational-relaxation algorithm for finding quantum bound states by Daniel V. Schroeder. DOI: 10.1119/1.4997165

PHYSICS EDUCATION RESEARCH

Student understanding of electric and magnetic fields in materials by Savannah L. Mitchem, Dina Zohrabi Alaee, and Eleanor C. Sayre. DOI: 10.1119/1.4991376

APPARATUS AND DEMONSTRATION NOTES

An extraordinary tabletop speed of light apparatus> by Guido Pegna. DOI: 10.1119/1.4985728

BOOK REVIEWS

Inventing Atmospheric Science: Bjerknes, Rossby, Wexler, and the Foundations of Modern Meteorology by Sharanya J. Majumdar. DOI: 10.1119/1.4991394

Tales of the Quantum: Understanding Physics' Most Fundamental Theory by Nicholas Wheeler. DOI:10.1119/1.4996872

BOOKS RECEIVED

American Journal of Physics 85, 723 (2017). DOI: 10.1119/1.4996703


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