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 ...

The video explains the concepts of magnetic, electric, and gravitational fields using simple demonstrations. It shows how iron filings reveal the magnetic field around a magnet, how charged objects ...

Dark matter search: Team co-leader Christopher Tunnell is an associate professor of physics and astronomy at Rice University. (Courtesy: Jeff Fitlow/Rice) A tiny neodymium particle suspended inside a ...

In 1929, Ernest Orlando Lawrence invented the cyclotron: a compact, efficient particle accelerator that used magnets. Two ...