User contributions for QRManual

20 August 2024

• 20:2720:27, 20 August 2024 diff hist −16‎ m Waterspout ‎ →‎Natural: replaced "flying fish in the atmosphere" by "fish airborne" to avoid confusion with the species of fish that leap from the water. The section title needs work, but I don't know what the author intended, so I left it alone.

2 August 2024

• 04:2504:25, 2 August 2024 diff hist +2‎ m Objective-collapse theory ‎ →‎Most popular models: Inserted missing word; corrected spelling.

4 May 2024

• 02:4802:48, 4 May 2024 diff hist −11‎ Moore–Penrose inverse ‎ deleted "orthogonal" -- see Talk

22 April 2024

• 00:2700:27, 22 April 2024 diff hist 0‎ m The Tall Stranger (film) ‎ →‎Plot: changed "not rail" to "no trail"

18 April 2024

• 14:4714:47, 18 April 2024 diff hist +621‎ Talk:Moore–Penrose inverse ‎ →‎Projection vs Orthogonal Projection: new section Tag: New topic

13 February 2024

• 00:2200:22, 13 February 2024 diff hist +2‎ m Vermont ‎ →‎Air: fixed typo

1 February 2024

• 00:2900:29, 1 February 2024 diff hist −306‎ m Betz's law ‎ →‎Proof: Added standard punctuation. Some language changes for clarity.

31 December 2023

• 17:3917:39, 31 December 2023 diff hist 0‎ m Digital twin ‎ →‎Connectivity: added semi-colon to eliminate run-on sentence

28 December 2023

• 04:0304:03, 28 December 2023 diff hist 0‎ m Ladder operator ‎ →‎Motivation from Mathematics: corrected spelling of "ubiquitous"

18 October 2023

• 22:1722:17, 18 October 2023 diff hist −13‎ m Patrol torpedo boat PT-658 ‎ →‎External links: Fixed broken link

9 October 2023

• 21:5621:56, 9 October 2023 diff hist −5‎ m Monument of the Eponymous Heroes ‎ Minor language changes to slightly more idiomatic English.

23 September 2023

• 23:0523:05, 23 September 2023 diff hist −2‎ m Skin effect ‎ Eliminated stray tilde in definition of angular frequency -- formula generated a display error message.

20 August 2023

• 16:0116:01, 20 August 2023 diff hist 0‎ m Carburetor ‎ →‎Icing in aircraft engine carburetors: fixed typo

21 February 2023

• 16:2016:20, 21 February 2023 diff hist −21‎ Leibniz integral rule ‎ →‎Example 3: removed the restriction on alpha in the initial equation. That restriction isn't explained, and the remainder of the derivation explicitly violates it. Tags: Reverted Visual edit

28 January 2023

• 16:3216:32, 28 January 2023 diff hist −3‎ Polar orbit ‎ →‎Usage: Fixed typo -- please check that the meaning is preserved -- I'm not an exert in orbital mechanics. Tag: Visual edit

8 July 2022

• 19:1619:16, 8 July 2022 diff hist −1‎ m Direction finding ‎ →‎Null finding with loop antennas: Replaced --it's-- (the abbreviation of "it is") by --its-- (the possessive). Tag: Visual edit

27 May 2022

• 16:2316:23, 27 May 2022 diff hist +1‎ m Georg Philipp Telemann ‎ changed "less productive, for he was in his 60s" to "less productive, when he was in his 60s" to remove the unsubstantiated implied claim. Tag: Visual edit

13 May 2022

• 21:4221:42, 13 May 2022 diff hist +211‎ m All Our Yesterdays (Star Trek: The Original Series) ‎ Added citation 1 Tags: Reverted use of deprecated (unreliable) source Visual edit

19 February 2022

• 15:5615:56, 19 February 2022 diff hist −1‎ m Dark matter ‎ →‎Cosmic microwave background: Moved abbreviation for cosmic microwave background to its first use. Corrected punctuation. Tag: Visual edit

7 September 2021

• 01:1401:14, 7 September 2021 diff hist +13‎ m Power Dive ‎ Added link for Philips 1-B Aeroneer Tag: Visual edit

1 December 2020

• 01:5201:52, 1 December 2020 diff hist +1‎ m Van Cliburn ‎ →‎Moscow: corrected unbalanced punctuation Tag: Visual edit

12 June 2020

• 17:0117:01, 12 June 2020 diff hist +101‎ m Rivers of Babylon ‎ →‎Other recorded versions: add Linda Rondstadt recording Tag: Visual edit

18 May 2019

• 15:3415:34, 18 May 2019 diff hist 0‎ m Vought F-8 Crusader ‎ "castering" was mispelled

31 March 2019

• 14:0214:02, 31 March 2019 diff hist −24‎ m Iōjima (Kagoshima) ‎ →‎Transportation: Removed phrase, "as there is no airport," since the paragraph goes on to describe the airport.

10 December 2018

• 00:5400:54, 10 December 2018 diff hist −52‎ Piano ‎ Removed assertion that longer piano strings allow for beatless fifths. Fifths *must* beat in equal-temperament tuning; this is a consequence of dividing the octave into twelve equal frequency ratios. It has nothing to do with the length of the piano string.

24 November 2018

• 21:5821:58, 24 November 2018 diff hist +145‎ SS Great Eastern ‎ →‎In popular culture: Added reference

21 February 2018

• 04:5504:55, 21 February 2018 diff hist −512‎ Carbon black ‎ Fairly extensive rewrites for clarity. Some material rearrangement to improve the organization. Tag: Visual edit

18 December 2017

• 01:0301:03, 18 December 2017 diff hist −34‎ m 100-year flood ‎ language change for conciseness

15 December 2017

• 19:3419:34, 15 December 2017 diff hist −1‎ m Hawker Hurricane ‎ Fixed misspelling, capitalization.

27 May 2017

• 18:2518:25, 27 May 2017 diff hist −61‎ m Rutherford (rocket engine) ‎ Language changes for clarity. Tag: Visual edit
• 18:1818:18, 27 May 2017 diff hist −185‎ m Specific impulse ‎ Language changes, for clarity. Tag: Visual edit

16 January 2017

• 02:5302:53, 16 January 2017 diff hist −26‎ m LGM-25C Titan II ‎ →‎Development: language, for clarity

6 December 2016

• 01:5901:59, 6 December 2016 diff hist 0‎ m Autoclaved aerated concrete ‎ →‎History: fixed typo

17 September 2016

• 15:0015:00, 17 September 2016 diff hist +132‎ John William Norie ‎ Added reference to C. S. Forester novel

31 August 2016

• 00:5600:56, 31 August 2016 diff hist +7‎ m Jack Elam ‎ →‎Personal life and death: corrected verb tense

9 May 2016

• 17:5517:55, 9 May 2016 diff hist −5‎ m Anti-submarine weapon ‎ →‎ASW Countermeasures: punctuation change

3 May 2016

• 20:2420:24, 3 May 2016 diff hist −16‎ m Stryker ‎ Language change, for clarity. Tag: Visual edit