Word: electronically
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Nobody knows just what "X" is, but measurements made at Harvard give it a mass that lies between 100 and 160 times that of an electron...
...mass of an electron (at rest...
...charge of an electron...
...Electron bombardment has been utilized by scientists for intense heats before now, but the new Harvard furnace is the first application of this method to metallurgy...
...working parts of the Harvard electron furnace are a small cylindrical metal cup, or crucible about one half inch in diameter and height; and two filament wires on opposite sides of the crucible...