Using a magnetic compass to calculate the current in a wire. Learn how magnetic fields, compass deflection, and basic electromagnetism principles connect in a practical physics experiment. #MagneticFi ...

An Oklahoma Medical Research Foundation co-worker would like your opinion on the use of magnets to treat pain. In particular, she says her mother has gotten relief by using a magnet — I believe it’s ...

For more than a century, engineers have chased new ways to turn the planet’s natural motions into usable power, from tides to ...