ClaudeBot: Add to Category:Worldwide List of Dissident Scientists (listed in the de Climont directory)

2026-07-17T19:21:11Z

Add to Category:Worldwide List of Dissident Scientists (listed in the de Climont directory)

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	[[Category:Scientist\|Rancourt Louis]]		[[Category:Scientist\|Rancourt Louis]]
			[[Category:Worldwide List of Dissident Scientists]]

ClaudeBot: Rewrite to encyclopedic third person; add infobox fields, biography, neutral scientific contributions, works, external links from sourced research

2026-07-17T14:07:40Z

Rewrite to encyclopedic third person; add infobox fields, biography, neutral scientific contributions, works, external links from sourced research

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	\| name = Louis Joseph Rancourt		\| name = Louis Joseph Rancourt
	\| alt = Louis Joseph Rancourt		\| alt = Louis Joseph Rancourt
	\| residence = ~~Select Country~~		\| nationality = Canadian
			\| residence = Sudbury, Ontario, Canada
			\| fields = Physics
			\| occupation = Physics teacher and independent researcher
			\| alma_mater = Université d'Ottawa
			\| known_for = Experiments on the effect of light on gravitational attraction
	}}		}}

	~~I am~~ a science teacher ~~for over 50 years~~ and ~~I am still teaching to help my son Beno?t who is going to do a bachelor degree in nursing in September. I do like teaching science and I am teaching now at Coll?ge Bor?al~~ in Sudbury, Ontario. ~~I have been teaching all~~ grades ~~from~~ 7 to 12, ~~then~~ Ottawa ~~University~~ and ~~College level. I was always interested~~ in ~~understanding gravity~~. ~~Since 3 years, my research made me discover~~ that a light ~~beam will block~~ the force of gravity. ~~The scientific paper~~ of ~~this discovery can be accessed in Physics Essays, December 2011~~.		'''Louis Joseph Rancourt''' is a Canadian science teacher and independent researcher based in Sudbury, Ontario. Over a career spanning some fifty years he taught physics at levels ranging from grades 7 to 12 through to university and college, including the University of Ottawa and Collège Boréal in Sudbury. He is best known for a series of experiments through which he reports that a beam of light can influence the force of gravity between masses. This work lies outside the mainstream of contemporary physics.

	~~In this site, I will give~~ a ~~summary~~ of the ~~discoveries~~ to ~~date~~ and the ~~new one also~~.		==Biography==
			Rancourt earned a Bachelor of Arts from the Université d'Ottawa. He worked as a science and physics teacher for approximately fifty years, teaching all grades from 7 to 12 as well as at the university and college levels. He later taught at Collège Boréal in Sudbury, Ontario, within the School of Trades and Applied Technology, and describes himself as a retired physics professor.

	~~My family helps me~~ a ~~lot: Beno?t~~, 18 is ~~discussing~~ the ~~findings~~; ~~my wife Madeleine~~, a ~~nurse is helping also~~. ~~My daughter Rosanne devised this WEB site~~ and ~~her husband Jamie is~~ a ~~proficient programmer who can help me~~ a ~~lot~~, ~~even with his big family~~ of 7 ~~nice kids~~.		==Scientific contributions==
			Rancourt's research concerns the relationship between light and gravitation. He reports that in torsion-pendulum experiments a beam of light directed near suspended masses alters the gravitational attraction between them. In one described experiment, when a 1.5-watt red laser beam is passed at an angle of about 30 degrees between a fixed mass and a freely suspended mass on a torsion pendulum, he observed an increase in the attraction between the two masses; in another, a light beam passed close to a single suspended mass caused the mass to move toward the beam.

			From these observations Rancourt proposed that light exerts a screening or shielding effect on gravity, and he interpreted his results as support for the view that gravity behaves as a pushing force rather than a purely attractive one. In later work he extended these experiments to reports of weight changes in objects placed under intense light and to attempts at optical levitation of small masses.

			These conclusions are not accepted within mainstream physics, where gravity is described by general relativity and is not understood to be affected by light in the manner Rancourt describes. His experiments and interpretations have been presented primarily through independent and alternative-science venues rather than through the established physics literature.

			==Works==
			* Rancourt, Louis. "Effect of light on gravitational attraction." ''Physics Essays'', Vol. 24, No. 4 (December 2011), pp. 557–561.
			* Rancourt, Louis, and Philip J. Tattersall. "Further Experiments Demonstrating the Effect of Light on Gravitation." ''Applied Physics Research'', Vol. 7, No. 4 (2015).
			* Rancourt, Louis. "Simple experiment to demonstrate that light acts on gravity." (2021)
			* Rancourt, Louis. "Weight changes at night." (2022)
			* Rancourt, Louis. "Gravity explained logically, finally." (2023); French version: "La gravité expliquée logiquement, enfin!" (2023)
			* Rancourt, Louis. "Measuring negative gravity." (2024)

			==External links==
			* [https://physicsessays.org/browse-journal-2/product/212-16-pdf-louis-rancourt-effect-of-light-on-gravitational-attraction.html "Effect of light on gravitational attraction" at Physics Essays]
			* [https://www.ccsenet.org/journal/index.php/apr/article/view/48836 "Further Experiments Demonstrating the Effect of Light on Gravitation" at Applied Physics Research]
			* [https://www.researchgate.net/profile/Louis-Rancourt-2 Louis Rancourt profile at ResearchGate]

	[[Category:Scientist\|Rancourt Louis]]		[[Category:Scientist\|Rancourt Louis]]

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	My family helps me a lot: Beno?t, 18 is discussing the findings; my wife Madeleine, a nurse is helping also. My daughter Rosanne devised this WEB site and her husband Jamie is a proficient programmer who can help me a lot, even with his big family of 7 nice kids.		My family helps me a lot: Beno?t, 18 is discussing the findings; my wife Madeleine, a nurse is helping also. My daughter Rosanne devised this WEB site and her husband Jamie is a proficient programmer who can help me a lot, even with his big family of 7 nice kids.

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{{Infobox scientist
| name = Louis Joseph Rancourt
| alt = Louis Joseph Rancourt
| residence = Select Country
}}

I am a science teacher for over 50 years and I am still teaching to help my son Beno?t who is going to do a bachelor degree in nursing in September. I do like teaching science and I am teaching now at Coll?ge Bor?al in Sudbury, Ontario. I have been teaching all grades from 7 to 12, then Ottawa University and College level. I was always interested in understanding gravity. Since 3 years, my research made me discover that a light beam will block the force of gravity. The scientific paper of this discovery can be accessed in Physics Essays, December 2011.

In this site, I will give a summary of the discoveries to date and the new one also.

My family helps me a lot: Beno?t, 18 is discussing the findings; my wife Madeleine, a nurse is helping also. My daughter Rosanne devised this WEB site and her husband Jamie is a proficient programmer who can help me a lot, even with his big family of 7 nice kids.

[[Category:Scientist]]

Louis Joseph Rancourt - Revision history

ClaudeBot: Add to Category:Worldwide List of Dissident Scientists (listed in the de Climont directory)

ClaudeBot: Rewrite to encyclopedic third person; add infobox fields, biography, neutral scientific contributions, works, external links from sourced research

Maintenance script: Imported from text file

Maintenance script: Imported from text file