"But if French, a Purdue mechanical engineering technology professor, and Huston, a continuing lecturer...

"But if French, a Purdue mechanical engineering technology professor, and Huston, a continuing lecturer in electrical and computer engineering technology, are successful a piece of the electric guitar that's been essentially unchanged since the 1950s might one day go the way of the vacuum tube."



Of course, many guitarists still prefer to use amps with vacuum tubes.

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