It is a common grade school experiment to wind ... pick up paper clips or other ferrous materials. It is also grade school science to show that neither an electromagnet nor a permanent magnet ...

you double the strength of the electromagnet. Repeat the experiment once more, keeping the current and number of coils the same. Replace the iron core with similar lengths of different materials ...

Electromagnets with iron cores are used: in scrap yards to lift magnetic materials such as iron and steel; to separate magnetic materials such as iron and steel from non-magnetic materials ...

The electromagnetic levitator (EML) is a multi-user facility onboard the ISS ... The video images also allow to investigate the shape of the solidification front and the time delay of double ...

THz waves, located in the far-infrared region of the electromagnetic spectrum, can be used to perform non-invasive imaging through opaque materials for security and quality control applications.