The return of the vacuum tube?
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Researchers are working on a vacuum channel transistor that can combines the best traits of transistors and vacuum tubes like those pictured (Photo: Shutterstock)
Article Summary
Most people associate vacuum tubes with a time when a single computer took up several rooms and "debugging" meant removing the insects stuck in the valves, but this technology may be in for a resurgence with news that researchers at NASA and the National Nanofab Center in South Korea are working on a miniaturized "vacuum channel transistor" - a best-of-both-worlds device that could find application in space and high-radiation environments.
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