Рет қаралды 129
"That marvelous substance radium, some account of which was published in the Popular Science Monthly for July, 1900, and June, 1903, still attracts the attention of both men of science and laymen throughout intellectual nations. In London recently the luminescent property of the rays issuing from the element was shown to King Edward and Queen Alexandra, on the occasion of their visit to the London Hospital, and the penetrating power of the rays was also demonstrated by the following: A pile of six pennies was placed over a small piece of radium and the light emitted was visible through the coins. [...] Residents of London, and visitors to that metropolis, will enjoy forming practical acquaintance with radium and with some of its extraordinary properties that may be envied by citizens of America."