OCR Text |
Show Consider the Dew. Tbe question it often atked: Doea tbe dew rlr or fall? Dew fall la aa admissible an expression as sunrise or sunset, saya Harper's Weekly. In both cases tbe expression is at variance vari-ance with tclentlflo fact Meterologi-cally, Meterologi-cally, tbe formation of dew It not accompanied ac-companied by motion In the vertical picoe, hence there can bo no question of rise or falL Under certain conditions condi-tions of wind, cloud and temperature verianta, dew Is produced. Warm air charged wltb moisture comes in contact con-tact wltb a cooler surface. When, In this cootact the heat it subtracted from the air and the saturation point for that temperature it reached, the moisture which is In the air baa existed ex-isted a water vapor, I condensed upon the cooler surface at the point of contact Tbe dwdrop. also good English, Eng-lish, although false physics, has no existence ex-istence in the air, but comet Into being be-ing upon tbe surface bedewed. It doet not fall, nor doet It drop. |