CJ on Mathematics and Science

Einstein presented in 1905 his Special Theory of Relativity SR as a theory about inertial motion as motion without presence of force/accel...

Recent posts discuss the concept of mass concluding that gravitational mass appears to be primordial from which inertial mass is derived. Th...

I have been led to the idea that there is in Newtonian mechanics only one form of mass,  gravitational mass , which is derived from a gravit...

This is a continuation of previous posts on operational definition in SI 2019 of mass as gravitational mass.   In Newton's mechanics ...

This is a clarification of the previous post showing gravitational force without need of force carrier. An instrumentalist definition of a c...

 The Standard Model SM as the crown jewel of modern physics divides the World into: matter particles ( fermions ) force carriers ( bosons ) ...

Modern physics can be described as the physics of the extreme , while classical physics concerns the normal non-extreme . The atomic bomb is...

When Einstein in 1916 presented a new model of gravitation in the form of   Einstein's equations ,  he desperately needed evidence that ...

A common tactic in politics practiced by parties and governments is to construct or frame a problem and then position themselves as the best...

Electrons are described by wave functions as solutions to Schrödinger's Equation SE as the basic mathematical model of the quantum mecha...