Bonal Technologies / vibratory stress relief
Appears in 1 lecture.
Appearances across the corpus
Fifty-year story of Bonal Technologies of Columbus, Ohio, selling piezoelectric vibratory stress relief. US Navy spent over $1M evaluating it; British Welding Institute spent several million on behalf of oil companies; neither uses it. Closes with a recent email inquiry from a $10B/year aluminum company asking Tom's opinion.