Fifth force experiment: the cold neutron guide hall at NIST’s Center for Neutron Research in Maryland. (Courtesy: NIST/Yiming Qiu) An improved search for a potential fifth force of nature is one of a ...

Physics, particularly forces and motion, can be challenging. By observing everyday motion, conducting simple experiments, and understanding Newton's laws in plain language, the concepts become more ...

Physics, especially the part about forces and motion, often feels like a maze of confusing concepts and formulas. If you’ve ever stared at a problem about an object moving or a force acting and ...