Popular science monthly . to constrictit, so as to give greater holding power. Why the Rain Follows the Thunderand Lightning WHY does a hea\y downpour ofrain often follow a clap oftiiunder? Xot, as is popularly be-lie\ed, because the thunder jostles thecioiid particles together into the \iolenl turmoil between thepi)siti\e and negati\e electricity in atiiiindercloud there will be placeswhere the production of drops, by con-densation, and their subseciucnl break-ing up proceeds more rapidly thanelsewhere. Hence in these placestliere will be more drojis to fall asrain, and also more
Popular science monthly . to constrictit, so as to give greater holding power. Why the Rain Follows the Thunderand Lightning WHY does a hea\y downpour ofrain often follow a clap oftiiunder? Xot, as is popularly be-lie\ed, because the thunder jostles thecioiid particles together into the \iolenl turmoil between thepi)siti\e and negati\e electricity in atiiiindercloud there will be placeswhere the production of drops, by con-densation, and their subseciucnl break-ing up proceeds more rapidly thanelsewhere. Hence in these placestliere will be more drojis to fall asrain, and also more electrification,the rainfall occurring about the sametime as the Hash. We have, then,starling toward the earth at thesame lime, light, sound, and light, traveling at a speed of abouti,S6,ooo miles per second, reaches usalmost instantly. The sound travelsfar more slowKâabout 1,090 feel persecondâbut the rain falls much slowerstill. Thus we obser\e, first, the light-ning, then the thunder, and then The paper is pulled out and theeilne ol the box-cover cuts it lirai)lllt\. casiTig. IheThe A Tobacco-Can with a Roll of CigarettePapers Attached to It FOR the conxenience of smokers whoprefer to roll their own cigarettes,Bertram .A. Rose, of Fort Worth, Texas,has invented a cigarette-paperholder attached to the underide of a tobacco-can co\ he wants to roll acigarette the smokerjnills the paper out-ward and downwardIrom its position onthe roller, and thentears it oil for a longor short smoke b\ us-ing the outiT edge ofI he lid as a cutter. In pulling the paperotitward and down-ward o\er the edge ofthe lid the roll out. The \ be ])erforaled tofacilitate the tearing and cutting oiiera-tion, but the in\entor relies the outer edge of the lid for cuttingeach piece of jiaper as it is pulled fromthe roll anil ;l against the tin. The Handiest Barn Ever Built Hay, grain and water are all stored in the center
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
