User contributions for Gejikeiji
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A user with 37 edits. Account created on 29 August 2015.
22 April 2025
- 14:4714:47, 22 April 2025 diff hist +203 Talk:Chongzhen calendar No edit summary current
24 December 2024
- 14:2914:29, 24 December 2024 diff hist +46 Almagest →Influence
- 14:1914:19, 24 December 2024 diff hist +395 Almagest →Ptolemy's planetary model Tag: Visual edit: Switched
- 13:2413:24, 24 December 2024 diff hist +152 Almagest →Ptolemy's planetary model Tag: Visual edit
19 August 2022
- 14:0314:03, 19 August 2022 diff hist +100 m Aristotle's biology →Empirical research: Modified the part mentioning his observation on hectocotylus. Tag: Visual edit
- 12:2712:27, 19 August 2022 diff hist −1 Aristotle's biology →Empirical research Tag: Visual edit
- 12:2312:23, 19 August 2022 diff hist +229 Aristotle's biology →Empirical research Tag: Visual edit
23 June 2022
- 21:0921:09, 23 June 2022 diff hist +180 53 equal temperament About Jing Fan’s contribution, I added the link to the very original source. Tag: Visual edit
- 21:0521:05, 23 June 2022 diff hist +222 Jing Fang Added the link to 後漢書 (wikisource) which is the original source about his music theory. Tag: Visual edit
17 July 2021
- 09:4409:44, 17 July 2021 diff hist +315 Emission theory (vision) No edit summary Tag: Visual edit
12 June 2021
- 09:3309:33, 12 June 2021 diff hist −24 Ptolemy →Optics: The Arabic version is lost, see Smith 1996.
28 April 2021
- 10:5110:51, 28 April 2021 diff hist −1 Emission theory (vision) →Relationship with echolocation
- 10:4810:48, 28 April 2021 diff hist +646 Emission theory (vision) →Relationship with echolocation Tag: Visual edit: Switched
23 April 2021
- 18:2518:25, 23 April 2021 diff hist +97 Almagest →Impact Tag: Visual edit
16 April 2021
- 02:2802:28, 16 April 2021 diff hist −83 Almagest →Impact Tag: Visual edit
7 April 2021
- 13:1313:13, 7 April 2021 diff hist −772 Alhazen's problem →Alhazen's solution: his work on the sum of the powers bears no relation to this problem, so I deleted. Also, he solved all the cases, not some special cases.
- 13:0813:08, 7 April 2021 diff hist +8 Alhazen's problem →Geometric formulation
- 13:0713:07, 7 April 2021 diff hist +62 Alhazen's problem →Geometric formulation
1 April 2021
18 March 2021
- 12:3312:33, 18 March 2021 diff hist +219 Classical mechanics →Beyond Newton's laws
- 12:2612:26, 18 March 2021 diff hist +128 Classical mechanics →Beyond Newton's laws
23 November 2020
- 02:2902:29, 23 November 2020 diff hist +9 Ptolemy →Optics
14 November 2020
- 04:5104:51, 14 November 2020 diff hist +76 Posidonius →Earth's circumference
- 04:4504:45, 14 November 2020 diff hist +133 Posidonius →Earth's circumference
- 04:0904:09, 14 November 2020 diff hist +138 Posidonius →Earth's circumference
2 November 2020
- 11:5911:59, 2 November 2020 diff hist 0 Anthemius of Tralles →Mathematics: the title of his well-known book is misstated
22 October 2020
- 11:1111:11, 22 October 2020 diff hist −28 Ibn al-Haytham →Other astronomical works
- 11:0911:09, 22 October 2020 diff hist +312 Ibn al-Haytham →Other astronomical works: What Alhazen did in his treatise on the Milky Way was wrongly introduced, so fixed it.
- 10:4410:44, 22 October 2020 diff hist 0 m Ibn al-Haytham →Sources Tag: Reverted
- 10:4310:43, 22 October 2020 diff hist +327 Ibn al-Haytham →Sources Tag: Reverted
- 10:3710:37, 22 October 2020 diff hist −187 Ibn al-Haytham →Secondary Tag: Manual revert
- 10:3610:36, 22 October 2020 diff hist +187 Ibn al-Haytham →Secondary Tag: Reverted
9 October 2020
- 15:1415:14, 9 October 2020 diff hist +10 m Hunayn ibn Ishaq →Ophthalmology
19 December 2019
- 08:2108:21, 19 December 2019 diff hist +10 m Seki Takakazu No edit summary
1 June 2016
- 11:3111:31, 1 June 2016 diff hist −2 Trace inequality →Effros's theorem and its extension
- 11:3011:30, 1 June 2016 diff hist +42 Trace inequality →Effros's theorem and its extension
