User:Johnjbarton

This user is a participant in WikiProject Physics.

This user simplifies Wikipedia referencing with ProveIt.

About

Retired physical chemist, physicist, book author, user-interface researcher, software engineer.

Just in case:

• My master's degree in Applied Physics from Caltech applied quantum chemistry to the the surface structure of gallium-arsenide
• My PhD in Chemistry from UC Berkeley was about half theory of electron scattering from atoms in surfaces. See for a peer-reviewed summary.
• I have two highly cited papers in Physical Review Letters:
  • Barton, J. J. (1988). Photoelectron holography. Physical review letters, 61(12), 1356 and
  • Barton, J. J. (1991). Removing multiple scattering and twin images from holographic images. Physical review letters, 67(22), 3106.
• I am the coauthor of Barton, J. J., & Nackman, L. R. (1994). Scientific and Engineering C++ an Introduction with Advanced Techniques and Examples. Addison-Wesley Longman Publishing Co., Inc.

Oh hey, I found myself on Wikipedia by accident one day: Barton–Nackman trick!

Johnjbarton (talk) 00:26, 6 May 2023 (UTC)

Tools

• Citer for DOI -> wikipedia
• WikiBlame is available on each page by selecting View history → Find addition/removal.
• ffmpeg for video to gif
• Incantation for copying across pages: copied content from page name; see that page's history for attribution
• Archiving incantation:

{{User:ClueBot III/ArchiveThis
| age=2160
| archiveprefix={{subst:#titleparts:{{subst:FULLPAGENAME}}}}/Archive
| maxarchsize=100000
| header={{Automatic archive navigator}}
| minkeepthreads=4
| minarchthreads=1
| numberstart=1
| format= %%i
}}
{{Archives|banner=yes|age=90}}

Sandboxes

• User:Johnjbarton/Electron Diffraction Sandbox

• User:Johnjbarton/Matter Wave Sandbox

• all sandboxes

Library Todos

• Statcoulomb
• Talk:Cosmic_inflation#The_Causal_Universe_of_Brout_Englert_and_Gunzig
• Talk:Noble gas#Sampling_and_measurement_is_WP:UNDUE
• Talk:Euler_spiral#Unsourced_additions
• Talk:Thorium
• Talk:Gravitational_wave#Acceleration_vs_motion
• Cobalt etymology
• Peskin, Michael E.; Schroeder, Daniel V. (1995). An Introduction to Quantum Field Theory. QC174.45 .P465. Try to verify Spin–statistics_theorem#Relation_to_representation_theory_of_the_Lorentz_group
• "Thermal radiation heat transfer" Robert Siegel, John R. Howell. QC331 .S55 2002 Sort Attenuation coefficient

Experience with Templates

The template system is very irregular and confusing:

• The regular expressions are non-standard and limited.
• The string matching occurs on parsed wikitext, so you can't base patterns on reading wikitext.
• some tags, esp. <ref> tags are magic and cannot be processed by template code.
• many existing templates really only support special cases, eg {{Plain text}}

Experience with Wikipedia

I really enjoy learning about new topics by editing wikipedia.

Some things are less fun. An effort was made by an editor ban me from editing "his" articles. Disheartening.