Although we cannot see magnetic field lines, we can detect them using iron filings. The tiny pieces of iron line up in a magnetic field.

Magnetic fields reveal incredible patterns that remain unseen to the naked eye. Various techniques bring these invisible forces to life, showcasing their mesmerizing effects in action. From iron ...

Iron is magnetically soft – it can be easily magnetised and demagnetised. Magnetic fields lines are invisible but they fill the space around a magnet where the magnetic forces work on magnetic ...