While they might still seem rather high-tech, induction cooktops have been on the market since at least the mid-1970s. Instead of warming pots via heat transfer from electrical elements or gas burners, they instead use coils of copper wire located beneath their ceramic glass surface to induce an electrical field within metal pots, which results in the resistive heating of their contents. Typically, the sizes and locations of those coils are marked on the stove’s surface, and users must place their pots on those. Thermador’s new Freedom Induction Cooktop, however, will heat up cookware placed anywhere on its surface. Not only that, but the “active” part of the cooktop will conform to the footprint of whatever size or shape of cookware is used.
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