Magnetism is a natural force, one that works at a distance. Magnets get their force from magnetic fields created by the atoms within the metal. Magnets are useful for things like turbines we use ...

A tugboat's power is measured in bollard pull, which indicates how much force it can exert while pulling a stationary object. For example, a typical tugboat has a bollard pull of 500 to 600 ...

Astronomers have long been puzzled by the forces that govern the movement of galaxies across vast stretches of space. A recent discovery, chronicled in a paper by scientists in 2014 (published in ...