. St. Nicholas [serial]. like ordinarylight. Even a small fragment sealedup in a glass tube shines with a weirdglow like a firefly, but bright enoughto read by. Moreover, if these raysfall on certain other substances, as, forexample, diamonds, it causes themalso to glow with a similar unearthlyradiance; and like the X rays,which enable one to see his own bones, theywill go through a plank or a never use metallic radium, because it hasnever been entirely separated from other mate-rial. We have nt it to use. We are there-fore compelled to be content with some salt (amixture) of the
. St. Nicholas [serial]. like ordinarylight. Even a small fragment sealedup in a glass tube shines with a weirdglow like a firefly, but bright enoughto read by. Moreover, if these raysfall on certain other substances, as, forexample, diamonds, it causes themalso to glow with a similar unearthlyradiance; and like the X rays,which enable one to see his own bones, theywill go through a plank or a never use metallic radium, because it hasnever been entirely separated from other mate-rial. We have nt it to use. We are there-fore compelled to be content with some salt (amixture) of the metal. One experimenter con-sequently placed the least pinch of radiumbromide in a glass tube, and screwed it tightlyinside of a rubber thermometer-case. This heput in an iron box, with a silver soup-tureenand four sheets of copper above it, yet in someway the rays got out. After all, I dont knowthat it is any more difficult to understand whythis light goes through iron than why the lightof a candle goes through
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Keywords: ., bookauthordodgemar, bookcentury1800, bookdecade1870, bookyear1873
