Electromagnetic force Astronomers using three of the world's most powerful telescopes say they've found no change in one of nature's fundamental forces over the past 10 billion years. The study, ...

The electromagnetic force has gotten a little stronger, gravity a little weaker, and the size of the smallest "quantum" of energy is now known a little better. NIST has posted the latest ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. Depending on how you look at it, each force has a scale and a ...

Makers, developers and electronics enthusiasts may be interested to know that a new 5 V electromagnet providing a 10 kg holding force is now available to purchase from the Adafruit online store.

Magnets like this one are great at picking up metal objects like these, but once you pick them up how do you let them go? For that you need a special type of magnet – an electromagnet. Magnetism and ...

This is called electromagnetic induction close electromagnetic inductionThe production of a potential difference (voltage) when a conductor, such as a wire, is moved through a magnetic field or ...

You have a wire that is carring an AC current through a magnetic field caused by two magnets. The current flowing in the wire is in the X direction and the magnetic field is in the Y direction. In ...

A magazine news story on the unification of physics usually begins by saying that Einstein’s general theory of relativity and quantum theory are irreconcilable. The one handles the force of gravity, ...