And so, they would come in and you would do -- Anybody that was going to show an experiment, which was kind of a new word at the time, demonstrate some principle, they had to do it on stage, where everybody could see it.
Przychodzili i uprawiali naukę. Każdy, kto chciał pokazać eksperyment, to było wówczas nowe słowo, i zademonstrować jakąś zasadę, musiał zrobić to na scenie,  by każdy mógł zobaczyć.