Maj. G. G. Rains, U. S. A., in a scientific lecture before the Port Huron Lyceum last winter, asserted, with argument to prove, that as an alkali and acid combine to produce salt, so positive and negative electricities combine to produce heat; that the ocean of heat pervading space is, therefore, a compound, in which undulation produces light, while friction and contact of different bodies, separate its parts, and produced electricity