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Einstein Articles

Tag Archive for: einstein

einstein field equations

Einstein Field Equations Explained: Structure, Solutions, Facts

February 26, 2024
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0 Comments
The Einstein Field Equations (EFE) are ten coupled, nonlinear differential equations that describe how matter and energy determine the curvature of spacetime.…
https://www.physicsforums.com/insights/wp-content/uploads/2024/11/einstein-field-equations.png 135 240 Greg Bernhardt https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Greg Bernhardt2024-02-26 08:29:202026-07-31 10:21:14Einstein Field Equations Explained: Structure, Solutions, Facts
pressure is a source of gravity

Is Pressure A Source Of Gravity?

May 14, 2020
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11 Comments
In a previous series of articles, I posed the question "Does Gravity Gravitate?" and explained how, depending on how you interpreted the terms "gravity"…
https://www.physicsforums.com/insights/wp-content/uploads/2020/05/is_pressure_a_source_of_gravity.png 135 240 PeterDonis https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png PeterDonis2020-05-14 08:44:122026-07-24 20:38:36Is Pressure A Source Of Gravity?
photoelectric

“Violating” Einstein’s Photoelectric Effect Model

August 31, 2015
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4 Comments
Einstein's Photoelectric Insight One of the most spectacular theoretical descriptions that Einstein had ever produced is the corpuscular nature of light…
https://www.physicsforums.com/insights/wp-content/uploads/2015/08/photoelectric.png 135 240 ZapperZ https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png ZapperZ2015-08-31 15:37:282026-02-16 17:02:22“Violating” Einstein’s Photoelectric Effect Model
relativitytherorm

Learn the Relativistic Work-Kinetic Energy Theorem

August 23, 2015
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19 Comments
I was bothered for a long time by the reasons for the relativistic validity of the work-kinetic energy relation ##\Delta E=Fd##, which holds without any…
https://www.physicsforums.com/insights/wp-content/uploads/2015/08/relativitytherorm.png 135 240 bcrowell https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png bcrowell2015-08-23 14:21:002024-09-02 09:25:38Learn the Relativistic Work-Kinetic Energy Theorem
gravity

Understanding the General Relativity View of Gravity on Earth

July 20, 2015
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102 Comments
Often students have difficulty reconciling the General Relativity (GR) view of gravity versus their own experience with gravity on the surface of Earth.…
https://www.physicsforums.com/insights/wp-content/uploads/2015/07/gravity.png 135 240 Dale https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Dale2015-07-20 14:26:562025-01-26 11:24:40Understanding the General Relativity View of Gravity on Earth

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