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Show NEEDLE FLOATING ON WATER Simplest Way la to Lay Tiny Piece of Steel on Tissue Paper Latter Will Soon Sink, Thero aro several ways of making n nocdlo flout on the surface of tho vator. Tho simplest way Is to placo a piece of tissue paper on tho wator and lay tho noodlo on It, tho paper soon becomes soaked with wator and sinks to tho bottom, while tho noodlo Is left floating on tho top. Another method is to hang tho needle in two slings mado of threads, which must ho carefully drawn away as soon as tho needle floats. If you magnetize a sowing needle by rubbing It on a fnlrly strong mugnot, and float It on tho water, It will make nn extremely sensitive compnsB, and If you pluco two noodles on the wator nt tho samo tlmo you will see them slowly approach each othor until thoy float sldo by side; that In, If they do not strlko together so heavily as to caiiso them to Hlnk, |