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.
E daí, eles apareciam e executavam experimentos -- Qualquer um com um experimento, que era uma palavra nova na época, e para demonstrar um princípio, deveria fazê-lo no palco, para que todos pudessem assistir.