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.
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 ...
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