Evening Republican, Volume 21, Number 183, Rensselaer, Jasper County, 20 August 1917 — POPULAR SCIENCE [ARTICLE]

POPULAR SCIENCE

Grasshoppers have been found at sea 1,200 miles from any landThe annual sootfall of Pittsburgh is said ;o be 1,021 tons per square mile. Wireless waves are used by a French wireless expert to measure the speed of projectiles. Before the war the annual output of aniline in this country was 800 tons, and now it is 25,000 tons. Curious portable electric lamp shades are made from dried skins of the porcupine fish caught on the Maine coast. A cutlery steel asserted to be nonrusting, unstainable and untamlshable has been developed by British manufacturers. An apparatus which steers a vessel by pumping jets of water from either side of Its stern has been invented by an Englishman.