Word: radiumator
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...ZOOLOGICAL CLUB. "Effect of Radium upon Animal Growth and Structure." Mr. E. D. Congdon. "Quack-Grass, a Host of the Hessian Fly." Mr. Hayhurst. Zoological Laboratory, 4th floor, Room...
...ZOOLOGICAL CLUB. "The Effect of Radium on Animal Tissues." Mr. E. S. Congdon. Short Papers. Zoological Laboratories, Fourth Floor, M. Z., Room...
...ZOOLOGICAL CLUB. "The Effect of Radium on Animal Tissues." Mr. E. S. Congdon. Short Papers. Zoological Laboratories, Fourth Floor, M. Z., Room...
...Ostwald opened his lecture by citing the results of scientific investigations, intended to show the inadequacy of man's scientific knowledge. We have the atomic theory that all matter is composed of infinitely minute parts, which keep their individuality unchanged under all circumstances. But scientists have recently shown that radium, an element, appears to change to helium, an entirely different element. This shows that the atomic theory is a mere hypothesis, and that the changeless atoms may be proved actually subject to change, if indeed they exist at all. Scientific predictions, then, may be said to be valuable only...
...PHYSICAL COLLOQUIUM. Slow Moving Electric Discharges. Some Recent Experiments with Radium. Professor Trowbridge. Jefferson Physical Laboratory, Room...