When the power is turned on, a wave of electromagnetic force silently shoots the aluminum ... which can accelerate dead-weight test articles (massive metal frames on wheels) to 165 mph in three ...

The definition of the kilogram is still a chunk of metal. Machined from a ... a watt-balance employs a calibrated electromagnetic counterforce. That force is produced by an electromagnetic actuator.

Why is it so weak? Back in the 1930s, as physicists were just devising the quantum theory of the much more muscular electromagnetic force, they came up with an explanation. The photon, the quantum ...

Looking like something out of Minecraft, the Japan Maritime Self-Defense Force has released a new image of its latest ...

and is responsible for the formation of stars and galaxies), the electromagnetic force (which is responsible for light, heat, electricity, and magnetism; and which is also responsible for holding ...