User contributions for Mark Widmer
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- 07:05, 31 July 2022 diff hist −2 m Newton Grammar: Changed "which" to "that" (2 places) current
- 07:03, 31 July 2022 diff hist +28 Weight Fixed Earth and Jupiter links current
- 21:03, 28 July 2022 diff hist +1,735 Weight →Apparent Weight: Defined in terms of scale reading. Added examples.
- 20:41, 28 July 2022 diff hist +685 Weight New section: Apparent Weight
- 12:32, 27 July 2022 diff hist +97 Weight →Units: Changing "pounds" to "pounds-force." Per NIST, the pound is a mass unit, not weight.
- 15:49, 1 July 2022 diff hist +16 Mass F is net force in F=ma current
- 15:45, 1 July 2022 diff hist +34 Mass Clarify inertial mass as resistance to acceleration rather than force.
- 15:42, 1 July 2022 diff hist +187 Mass Clarify gravitational mass is what appears in gravitational force equation.
- 18:35, 12 June 2022 diff hist +709 Didymos Reforrmatted references
- 17:44, 8 June 2022 diff hist +21 Rydberg constant →Background: Added subscript "e" to electron mass (consistency with intro) current
- 17:34, 8 June 2022 diff hist +86 Dimorphos →Properties: Added orbital speed, corrected orbital radius.
- 19:19, 1 June 2022 diff hist +4 Atomic units →Time: Fixed math syntax current
- 19:13, 1 June 2022 diff hist +15 Atomic units →Energy: Fixed math syntax
- 14:55, 31 May 2022 diff hist +152 Dimorphos →References: Added W. R. Johnston reference
- 07:58, 28 May 2022 diff hist +15 Hadron Added link to "Weak force" article current
- 07:22, 28 May 2022 diff hist −26 Quark Fixed link for "fermions" current
- 10:44, 27 May 2022 diff hist +152 Didymos →References: Added Johnston, Wm. Robert
- 10:31, 27 May 2022 diff hist +43 Didymos →Properties: Added mass value.
- 07:22, 26 May 2022 diff hist +102 Dimorphos →References: Added ESA reference.
- 07:21, 26 May 2022 diff hist +301 Dimorphos Created new sections "Properties" and "References."
- 19:08, 25 May 2022 diff hist +188 Didymos →Properties: Orbital properties
- 18:51, 25 May 2022 diff hist +43 Didymos Added year of discovery.
- 18:47, 25 May 2022 diff hist +187 Didymos Created new section "Properties."
- 18:42, 25 May 2022 diff hist +1 Didymos Correction: the larger Didymos contains about 99%, not 1%, of the system's mass.
- 18:30, 25 May 2022 diff hist +120 Didymos Created "References" section. Added NASA reference
- 14:53, 22 May 2022 diff hist +2 m Quark
- 14:52, 22 May 2022 diff hist +32 Quark Fixed some grammar.
- 22:27, 20 May 2022 diff hist +110 Noble gas Reworded and added links to Atomic_electron_configuration and Atomic_orbital articles. current
- 22:20, 20 May 2022 diff hist 0 m Noble gas
- 14:22, 16 May 2022 diff hist +229 N Noble gas Article created.
- 19:38, 15 May 2022 diff hist +31 Atomic electron configuration Added link to "Angular_momentum_(quantum)" article. current
- 15:11, 15 May 2022 diff hist +10 Principal quantum number Tweaked description of "n" and h-bar. Corrected terminology for semi-major axis (was "major semiaxis"). Added link to "Ellipse" article. current
- 09:48, 15 May 2022 diff hist +8 Atomic electron configuration Intro: Changed "angular momentum" to "orbital angular momentum"
- 18:12, 12 May 2022 diff hist +4 Periodic table of elements →Elements by periodic table group (vertical column): Added link to "alkali metal" article. current
- 18:09, 12 May 2022 diff hist +444 Alkali metal Created new section "ionic states" current
- 20:19, 7 May 2022 diff hist +84 Australian Open Updated current champions to 2022. Added explanation why no tournament in 1986. current
- 08:30, 6 May 2022 diff hist +15 Atomic hypothesis →Historical development: Fixed link to Atom_(science) article. current
- 09:05, 3 May 2022 diff hist −1 Baseball →Major League Baseball: Moved Houston Astros from NL Central to AL West. current
- 19:06, 28 April 2022 diff hist +13 Boston Red Sox Updated World Series win total. current
- 19:04, 28 April 2022 diff hist +152 Boston Red Sox →A New Golden Age (2004-Present): Added World Series victories in 2013 & 2018.
- 18:58, 28 April 2022 diff hist +10 Baseball →West: Change "LA" to "Los Angeles"
- 12:22, 12 April 2022 diff hist −15 Hertzsprung-Russell diagram Corrected relation between luminosity and mass (not an inverse relation). current
- 16:49, 8 April 2022 diff hist 0 m Benchmark quantities →pH current
- 16:48, 8 April 2022 diff hist +148 Benchmark quantities →pH
- 16:39, 8 April 2022 diff hist +138 Talk:Benchmark quantities →PH? current
- 16:37, 8 April 2022 diff hist +56 Benchmark quantities →pH
- 14:19, 8 April 2022 diff hist +394 Benchmark quantities →pH
- 14:03, 8 April 2022 diff hist +567 Benchmark quantities →pH
- 13:44, 8 April 2022 diff hist +101 Benchmark quantities →pH
- 07:48, 8 April 2022 diff hist +27 Benchmark quantities Created new section "pH"