It may seem like a holdout against the solid-state world, but the vacuum-tube magnetron is still at the heart of every consumer microwave oven and many commercial ones used for cooking or drying.

Magnetron technology, developed over decades, remains a cornerstone in the generation of high-power microwaves for a diverse range of applications. By utilising the interaction of electrons with ...

This article was produced for RFHIC by Scientific American Custom Media, a division separate from the magazine's board of editors. RFHIC's co-founder and CEO, David Cho (left), and RFHIC's co-founder ...