How I rediscovered Mach's Principle

There is a unique way in which Mach's principle, stated in 1883, can be related to a variable speed of light form of general Relativity (Einstein 1911) and Dirac's Large Number Hypothesis (1938). More in https://www.amazon.com/dp/B01FKTI4A8 ... https://www.youtube.com/watch?v=jFzJFdEJwQc