Every day his acknowledged obligations outrun his time and strength, and he must choose but a few of the many duties ever pressing to be done. Yet there is no phase of that larger social and educational conception of the pastor’s work that has in it more of promise than his ministry ...
The alpha radiation from the americium-241 interacts with the normal oxygen and nitrogen in the air by knocking an electron off the molecule. The results were, of course, a positive ion of the original atom of gas is attracted to the negatively charged plate, and an electron is drawn to t...