OCR Text |
Show BITS OF SCIENCE. The explanation of the peculiar density dens-ity of thunder clouds is said to lie in the fact that the vapor is partially condensed con-densed into drops by the electrical action. ac-tion. A new tire, for bicycle and light wagon wheels, is made of spring steel and is hollow. It is highly spoken of in England, and is considered preferable to the rubber tire. A cork rope is the latest invention. It is made of small corks placed end to end, and the whole covered with a braiding braid-ing of cotton twine; over this is a coarser braiding in heavy strands. The wire to be nsed for the telephone between Paris and London is made of bronze. It is estimated that the French share of tha expense of establishing the telephone will be about $ 150,000. After a series of very careful experiments experi-ments Professor Cohn, of Breslan, tas 1 found that the heating of damp hay to a temperature sufficient to cause spontaneous spon-taneous combustion is due to a fungus. |