Questions and Answers
Which researcher deduced the possibility of the opposite effect of the piezoelectric effect?
Lippman
Who discovered the piezoelectric effect in 1880?
Jacques Curie
Who developed a working sonar system by 1914?
Reginald Fessenden
Which country was Sokolov from, who conducted the first NDT related experiment using through transmission?
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When was ultrasonic testing of metals as we know it today made possible?
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Who used higher frequency sonar for the detection of submarines in 1915?
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