Centuries on, Newton's gravitational constant still can't be pinned down

Centuries on, Newton's gravitational constant still can't be pinned down

Sir Isaac Newton: The Universal Law of Gravitation

100 Years of Relativity: From the Big Bang to Black Holes, Gravitational Waves and 'Interstellar' - Cornell Video

Fisica de Newton by Juan Gonzalez - Issuu

The Gravitational Constant is Tricky to pin Down Accurately. Here's a new way to Measure it - Universe Today

Either the Sun Is Getting Smaller or Gravity Is Getting Weaker

Einstein Is Right About General Relativity — Again

Notorious big G: The struggle to pin down gravity

A Brief History of Physics

The Principia : Mathematical Principles of Natural Philosophy by Isaac Newton