Little Big Coil: the record-breaking magnet is the size of a toilet roll core. (Courtesy: Stephen Bilenky/National MagLab) The highest continuous magnetic field ever created in the lab has been ...

Scientists examine the benefits of the double H-coil and single H-coil methods to measure magnetic field strengths with single sheet testers Date: November 14, 2017 ...

A coil of wire, or solenoid, consists of a wire coiled up into a spiral shape. When an electric current flows, the shape of the magnetic field is very similar to the field of a bar magnet.

The team began by placing a solid metal inside a device called an electromagnetic coil that produces strong magnetic fields. The metal melted, turned into vapor, and then began to levitate ...

There, they placed the birds temporarily in outdoor aviaries, where the researchers used a Helmholtz coil to interfere with magnetic fields. They artificially altered the inclination and ...