ELECTRIC FIELD • FREE TRANSLATOR.ORG • Definition of Electric field

... could be varied at will by a simple electric field normal to the applied voltage gradient—a field which could be generated by a couple of dry cells if need be—and ranged from a hundred thousand to about three billion. For all practical purposes, here was ...

— Security • Poul William Anderson

... bodies. And what seemed the more wonderful was the fact that these "Becquerel rays," as they were now called, emanated spontaneously from the pitch-blende. But although this action is analogous to the Roentgen rays, at least as regards its action upon the photographic plate and its influence on the electric field, its action is extremely feeble in comparison, the Roentgen rays producing effects in minutes, or even seconds, which require days of exposure to uranium rays. The discovery of the radio-active properties of uranium ...

— A History of Science, Volume 5(of 5) - Aspects Of Recent Science • Henry Smith Williams