Instead of using an air coil to generate heat in the cookware, this one uses an iron core instead. The project’s creator [mircemk] built an air core induction stove in the past, and this new one ...
Perhaps more importantly, it will give planetary scientists a chance to study an iron core like the one located in the center of the Earth—and uncover a new kind of metal world in the solar system.
A coil with an iron core is called an electromagnet. The iron core increases the coil’s magnetic field strength. A simple electromagnet is made by coiling wire around an iron nail. An iron core ...