Physicists have long wondered why particles can only have an electric charge of +1, -2 or any whole number. Now we ...

Many objects around you contain electromagnets. They are found in electric motors and loudspeakers. Electric bells like the ones used in most schools also contain an electromagnet. The slideshow ...

Filled with hard-to-find information, contributed by noted engineers and companies working in the field today, this comprehensive reference offers guidance on selecting, specifying, and using the ...

“Our study completes the work of Albert Einstein in his attempt to relate gravity and electromagnetism forces in the same ...

Certain materials feel a magnetic force. A magnetic force can be either attraction or repulsion. How to make a magnetic compass Learn how to make a magnetic compass.

Researchers have generated a tunable plasma photonic crystal 'kaleidoscope' with rich diversity of geometric configurations ...