program called WhatPulse in which participants and their keyboards were monitored for one week. The results were used in … keyboards could not be used to create self-sustaining systems for any of the devices proposed. Further uses for the stored … energy have been suggested but the question to the viability of piezoelectric keyboards as a useful energy source looks …

earlier research on the relative merits of the two keyboards provided unconfounded measures, ones permitting attributrion of … measures of speed on the two keyboards by the same persons. Eight experienced standard-keyboard typists, ranging in skill from …-81 words per minute), typed high-frequency digraphs on both keyboards, resulting in a 4.0% superiority for the Dvorak keyboard …