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From: jimp on 7 Mar 2010 13:58 In sci.physics Mark Thorson <nospam(a)sonic.net> wrote: > Bret Cahill wrote: >> >> If the goal is horizontal reflecting fibers on the ground all oriented >> with respect to some angle with the earth's magnetic field, why would >> anyone want the fibers to fall end on? > > Embed the fibers in a matrix, then stretch the matrix. > That will align the fibers parallel to the direction of stretch. > That was the breakthrough made by Edwin Land in the invention > of Polaroid material. > > http://en.wikipedia.org/wiki/Polaroid He wants to air drop his magic fibers and have them all land with a known orientation... -- Jim Pennino Remove .spam.sux to reply. |