The iron filings in the image become induced magnets when they are near the bar magnet. They lose most or all of their magnetism when they are removed from the magnetic field.

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 ...

Thomas Carlyle would have been impressed by Donald Trump. The author of On Heroes, Hero-Worship, and the Heroic in ...

This can be "seen" in two dimensions if iron filings are sprinkled on a sheet ... as this helped to concentrate the magnetic field.

This is exploited in popular demonstrations where the magnetic field of a bar magnet can be made visible. Small filings of iron are first scattered on the surface of a table and then a magnet is ...

Thomas Carlyle would have been impressed by Donald Trump. The author of On Heroes, Hero-Worship, and the Heroic in History ...

Iron filings ... uniform flow of iron filings. [BitBlt_Korry] calls his creation “「時場(じば)」”. Google translates this to “Jiba”, which means “magnetic field”.