Show TO MAKE A NEEDLE FLOAT Looks Llks an Impossible Feat But It Isnt Tako an ordinary needle and put It upon a fork and slowly lower tho fork Into a tumbler of water tho noodle noo-dle will then float just like a plcca of ot straw rico reason of this la that u meniscus or bod convex on ono side and concave on tho other is formed upon tho surface of tho water and the surfaco of this meniscus being largo in comparison with that of tho needle the latter Is supported by It so that ta scarcely any part of tho noodle touches The Needle Floating tho water of course if tho water Dcncarates tho needlos eye tho weight of the fluid would cause tho needle to sink Immediately Another method says Montreal Herald is to put a leaf of cigarette or tissue paper on the surface of a tumbler of wator lay a needle vory gently upon tho paper which will soon become soaked and sink to tho bottom of the glass leaving leav-ing tho needle floating on tho top of tho wator |