Equipment: A compass, iron filings, a current carrying solenoid and a 40 Amp power supply. What it does: The compass shows the direction of the field lines in and around the solenoid.The iron filings ...

Magnetic viewing films are pretty neat things to play with anyway, and can even be used to read hidden messages. Continue reading “Magnet Clock Makes Field Lines Visible” → ...

Essentially, a solenoid is a compact electromagnet that can be used as a mechanical or electrical switch. Its main component is a coil of wire that's wound around a cylindrical support known as a ...

Mitigating Magnetic Field Dangers for Power Line Inspection Drones. November 13, 2023 by Jeff Martin. Unmanned aircraft systems – more popularly known as drones – have emerged as a novel method of ...

The maximum field tolerance of these MRAM devices is between a few tens of milliTesla, mT, to 100mT, depending upon the MRAM target application. 10mT in SI units is 100G in CGS units of magnetic ...