User contributions for NathanHagen
A user with 193 edits. Account created on 31 December 2006.
19 January 2024
- 05:2805:28, 19 January 2024 diff hist +36 m Utsunomiya University Updated the name of the university president and added the address.
1 January 2023
- 08:5008:50, 1 January 2023 diff hist +152 m Utsunomiya University Added a link to the Optics Department webpage.
- 08:4508:45, 1 January 2023 diff hist +94 Utsunomiya University Updated enrollment numbers to the current numbers, added the Optics department to the list
- 08:3108:31, 1 January 2023 diff hist +127 m Wyant College of Optical Sciences Added a link to the Optics Education handbook, listing the sizes of different optics education institutions throughout the world.
- 08:2108:21, 1 January 2023 diff hist −4 m Wyant College of Optical Sciences →Notable faculty: Corrected "the Optica" to "Optica"
- 08:2008:20, 1 January 2023 diff hist +24 m Wyant College of Optical Sciences →Notable alumni: Updated OSA to its current name "Optica"
- 08:1908:19, 1 January 2023 diff hist +30 m Wyant College of Optical Sciences →Notable alumni: Added that Prof. Dereniak was an SPIE president.
- 08:1808:18, 1 January 2023 diff hist −3 m Wyant College of Optical Sciences →Notable faculty: Changed the name of OSA to its current "Optica"
3 April 2022
- 04:2804:28, 3 April 2022 diff hist +18 m Schlieren photography →Classical optical system: Improved the layout of the multiple images.
2 April 2022
- 08:5708:57, 2 April 2022 diff hist +805 Schlieren photography →Classical optical system: Added three figures showing the two classical configurations of schlieren systems, and modified the text accordingly.
25 March 2022
- 12:1112:11, 25 March 2022 diff hist +13 m Apophyllite Added birefringence to the list of general properties
- 12:0912:09, 25 March 2022 diff hist −27 m Apophyllite Removed mistaken doubling of subsection title
- 12:0912:09, 25 March 2022 diff hist +1,550 m Apophyllite →Species of apophyllite: Added two new recent species of apophyllite
9 September 2021
- 23:0923:09, 9 September 2021 diff hist +43 Photron →Photron timeline: added the recent acquisition of Photonics Lattice, Inc.
31 July 2021
- 06:5606:56, 31 July 2021 diff hist +3,714 Assassin's Fate Added a simple pot summary
7 July 2021
- 23:1623:16, 7 July 2021 diff hist −17 m Amici prism No edit summary
4 January 2021
- 02:0602:06, 4 January 2021 diff hist +758 Polarized light microscopy No edit summary
5 October 2020
- 03:0803:08, 5 October 2020 diff hist +828 Talk:Differential interference contrast microscopy →Image: The route of light througn a DIC microscope.
- 02:4002:40, 5 October 2020 diff hist −97 Talk:Differential interference contrast microscopy →Image: The route of light througn a DIC microscope.
- 02:3802:38, 5 October 2020 diff hist +543 m Talk:Differential interference contrast microscopy →Image: The route of light througn a DIC microscope.
23 June 2020
- 00:1200:12, 23 June 2020 diff hist +468 Talk:Spectrometer →Spectrum figure: new section
3 November 2019
- 07:3607:36, 3 November 2019 diff hist +2 m Battle of Midtskogen →Initial plan of defence: Fixed two typos.
26 February 2018
- 09:1409:14, 26 February 2018 diff hist +6 m Ratio distribution →Gaussian ratio distribution: Changed "arctan", "tan", and "sec" from italic to upright case.
15 July 2017
- 00:5200:52, 15 July 2017 diff hist +73 m Utsunomiya →Rail: Added the Karasuyama Line, which although its track separates from the Tohoku Main Line at Hoshakuji, the line runs from Utsunomiya through Karasuyama.
20 July 2016
- 23:2123:21, 20 July 2016 diff hist 0 m Paul J. Nahin Fixed the publication date on recently added book.
- 23:1823:18, 20 July 2016 diff hist +132 m Paul J. Nahin →Works: Added two books not currently listed.
23 February 2016
- 23:2023:20, 23 February 2016 diff hist −7 Vapour pressure of water →Approximation formula: Using the formula, it becomes clear that the units are torr and not Pascal.
7 December 2015
- 15:5715:57, 7 December 2015 diff hist 0 m Thermal emittance Changed "emittivity" to "emissivity". I've never once seen an author use the former, and a Google search also turns up nothing, and so it must be a typo.
26 March 2014
- 18:0018:00, 26 March 2014 diff hist 0 m Amagat Corrected an apparent math error in the example. 273.15/298.15 = 0.916, and not the existing 0.932.
17 February 2014
- 23:0923:09, 17 February 2014 diff hist 0 m BibTeX →Reimplementations: Corrected the date of BibTeX's implementation.
- 23:0823:08, 17 February 2014 diff hist +175 BibTeX →Reimplementations: Added the Bibulous project to the list of BibTeX re-implementations.
- 23:0423:04, 17 February 2014 diff hist +99 Snapshot hyperspectral imaging Added links to two of the referenced papers.
- 23:0223:02, 17 February 2014 diff hist +367 Snapshot hyperspectral imaging Added two references to recent journal review papers surveying the topic.
18 July 2013
- 01:5801:58, 18 July 2013 diff hist +5 m Otho →Birth and lineage: Corrected a typo in a link
22 June 2013
- 20:0920:09, 22 June 2013 diff hist 0 m Motivated reasoning Corrected "Richard e. Petty" to "Richard E. Petty"
22 February 2013
- 15:1115:11, 22 February 2013 diff hist +214 m Horner's method →Efficiency: Added citations for Ostrowski and Pan
28 November 2012
- 14:0714:07, 28 November 2012 diff hist −13 m Sloan Digital Sky Survey Changed the verb to past tense for Data Release 8
21 November 2012
- 19:4519:45, 21 November 2012 diff hist +143 m White spirit →Applications: Added a line about mineral spirit use in diamond turning.
27 September 2012
- 12:5812:58, 27 September 2012 diff hist +511 Fellgett's advantage Added a reference to Sellar and Boreman's interpretation of Fellgett's advantage
28 June 2012
- 21:3921:39, 28 June 2012 diff hist +253 m Histogram equalization →Histogram equalization of color images: Added links to references
- 03:4703:47, 28 June 2012 diff hist +981 Echelle grating Added a short history section. Adding Nagaoka and Mishima as inventors of the modern version echelle spectrometer is a best guess.
25 June 2012
- 17:0317:03, 25 June 2012 diff hist +4 m Imaging spectrometer Add a link
16 June 2012
- 17:4317:43, 16 June 2012 diff hist −25 Snapshot hyperspectral imaging No edit summary
10 June 2012
- 00:3500:35, 10 June 2012 diff hist +13 m Snapshot hyperspectral imaging Cleaned up formatting of references
1 June 2012
- 21:0421:04, 1 June 2012 diff hist +78 m Snapshot hyperspectral imaging →See also: Added two related links
- 20:5620:56, 1 June 2012 diff hist +2,746 N Computed tomography imaging spectrometer Created page
- 20:5020:50, 1 June 2012 diff hist +44 N Snapshot imaging spectroscopy Created the page as a redirect to "Snapshot hyperspectral imaging" current
- 20:5020:50, 1 June 2012 diff hist +44 N Snapshot imaging spectrometer Created the page as a redirect to "Snapshot hyperspectral imaging" current
- 20:4920:49, 1 June 2012 diff hist +44 N Snapshot imaging spectrometry Created the page as a redirect to "Snapshot hyperspectral imaging" current
- 20:4720:47, 1 June 2012 diff hist −86 m Snapshot hyperspectral imaging Removed redirects here. Added redirect pages instead.
