Twain’s ‘unspeakable and pressing necessity’
Stories from Physics for 11-14 14-16
Nikola Tesla encouraged Mark Twain to stand on an electrotherapy device he had invented consisting of a platform supported by elastic cushions that was vibrated with compressed air. Tesla proposed that the device would encourage regular bowel movements and reported that, during a trial:
“Suddenly, Twain felt an unspeakable and pressing necessity which had to be promptly satisfied.”
M. Seifer, Wizard: The Life And Times Of Nikola Tesla, New York, NY, Citadel Press, 1998, p. 128.