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.

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.

A research paper by scientists at the University of Macau proposed a novel multi-section magnetic soft robot maneuvered by an associated collaborative multirobot navigation system with magnetic ...

That is, unless you’ve got one of these nifty magnetic field visualizers developed by [Dr.Stone]. Using an XMC1100 microcontroller development board and a TLV49 3D magnetic sensor, the device is ...