Scalar Gravity Theories and Frame Dragging

In a different blog, Henry Brown made the following statement: ...

The Action of General Relativity

In this blog, I will review my thoughts on the action of general relativity, how it is used for...

Newtonian Gravity with a Tiny Test Mass

I will try to keep my Newtonian wig on. Digressions will be in well-defined sidebars. Time to serve...

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Doug SweetserRSS Feed of this column.

Trying to be a semi-pro amateur physicist (yes I accept special relativity is right!). I _had_ my own effort to unify gravity with other forces in Nature. It ran into quite a number of technically... Read More »