"There are several kinds of emanations from radium. Photographs similar to those produced by the Roentgen ray tube and induction coil can be got by means of the emanations from a small quantity of radium. I took a screen made of zincblende, which will phosphoresce when the emanations of radium fall upon it. I then painted upon it, in a solution of radium, the word 'Radium.' In the dark this screen (about three inches by four inches) gives off sufficient light to read by. But the most striking way of showing the emanations is by the little contrivance I call a Spinthariscope. In this a zinc sulphide screen is fitted at the end of a short brass tube, with a speck of radium about a millimeter away from it. Looking in the dark through the lens at the other end one sees a regular bombardment of the screen by the emanations. The phenomena of radium require us to recast many of our ideas of matter, electricity, and energy, and its discovery promises to realize what for the last hundred years have been but day-dreams of philosophy. "Although the fact of emission of heat by radium is in itself sufficiently remarkable, this heat is probably only a small portion of the energy radium is constantly sending into space. It is at the same time hurling off material particles which reveal their impact on a screen by luminous scintillations. Stop these by a glass or mica screen, and torrents of Roentgen rays still pour out from a few milligrams of radium salt in quantity to exhibit to a company all the phenomena of Roentgen rays, and with energy enough to produce a nasty blister on the flesh, if kept near it for an hour." It is hardly possible to contemplate this remarkable element in the world of nature without recognizing its correspondence in the world of spirit. If an element radiates perpetual light, heat, and power with no loss of its own inherent energy, so the spirit can radiate love, sympathy, sweetness, and inspiration with no diminution of its own quality. Science may be unable to recognize the medium from which radium is fed; but religion recognizes the medium from which the spirit draws its sustenance in the power of God. The human will merged in the divine will is invincible. There is no ideal of life which it may not realize, and this realization is in the line of the inevitable and is experienced with the unerring certainty of a mathematical demonstration. Yet, when one comes to examine the actual average attitude of humanity toward this subject of the divine will, one finds it is largely that of a mere gloomy and enforced resignation, even at its best, and, at its worst, of distrust and rebellion to the will of God. It seems to be held as the last resort of desperation and despair, rather than as the one abounding source of all joy and success and achievement.