. St. Nicholas [serial]. A PIECE OF PITCH-BLENDE, THE MINERAL FROM WHICHRADIUM IS OBTAINED. PHOTOGRAPH MADE BY THE RAYS FROM THE PIECE OF PITCH-BLENDEPICTURED AT THE BOTTOM OF THE PRECEDING COLUMN. But a piece of radium, in addition to givingoff these peculiar rays, sends out such a showerof little particles that it is like a sort of explodingbattery of tiny rapid-fire guns. These, as I saidat the beginning, are of two sizes. The smallestare the smallest particles known to , as they travel some two hundred thou-sand times faster than a bullet from a rifle, theymust needs be prett
. St. Nicholas [serial]. A PIECE OF PITCH-BLENDE, THE MINERAL FROM WHICHRADIUM IS OBTAINED. PHOTOGRAPH MADE BY THE RAYS FROM THE PIECE OF PITCH-BLENDEPICTURED AT THE BOTTOM OF THE PRECEDING COLUMN. But a piece of radium, in addition to givingoff these peculiar rays, sends out such a showerof little particles that it is like a sort of explodingbattery of tiny rapid-fire guns. These, as I saidat the beginning, are of two sizes. The smallestare the smallest particles known to , as they travel some two hundred thou-sand times faster than a bullet from a rifle, theymust needs be pretty small not to wipe out every-thing within range. The others are much larger,perhaps by a thousand times, and they do nottravel so fast. But even these are so small that,after millions upon millions of them have beenshot off, the most careful weighing with a bal-ance for which a hair is a heavy weight cannotdetect any loss. Now these smaller bodies arethe mysterious electrons which, asthey stream against the walls of a C
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Keywords: ., bookauthordodgemar, bookcentury1800, bookdecade1870, bookyear1873
