The first electromagnetic cloaking device was produced in 2006, using gradient-index metamaterials.

The device comprises a particular electrically superconducting shield and electromagnetic generating device.

In 1827, Jedlik started experimenting with electromagnetic rotating devices which he called electromagnetic self-rotors.

Door closer - Mechanical or electromagnetic device to close an open door (in the event of a fire)

His inquiries also cover fundamental research in metamaterials by studying how the properties of these materials, and their use, may affect various electromagnetic devices.

In electromagnetic devices the magnetic field is changed by varying the current in the magnet coils.

The message does not take 54 years for delivery and response, as it does on an electromagnetic device.

He evaluated patent applications for electromagnetic devices.

The positive charge acts by induction on the earth and electromagnetic devices.

An astute observer and exploratory experimenter, Page invented many other electromagnetic devices.