Along with gravimeters and torsion balances, pendulums can be used to measure gravitational force. The period oscillation of the pendulum can be used to measure gravitational acceleration, and in turn ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. To unpack these a bit, Karl Popper was the philosopher of science who I ...

Why is gravity so pathetically weak compared to other forces? An elaborate version of a very simple device may reveal the answer. While most of us take gravity for granted, physicists have a big ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Thomas C. Mendenhall, who became ...

In the effort to unify the gravitational theory of general relativity with the quantum theory of the very small theoretical physicists explore a lot of wild ideas. One of these is the idea of higher ...