> M. Wagenbach wrote: > > > A ball of foil is not a sphere! The metal surface is a mass of small, > > irregular creases. I doubt it's very good compared to a well designed > > radar reflector, but it has to better than a smooth sphere. > > Let's just call it a first approximation to a sphere ;-) > > Actually, given the wavelengths we're dealing with, the wadded ball of foil, if > wadded up in a failry compact ball, *does* look like a sphere to radar. If it's > just a loosely crumpled mass, then yeah, it's more like you say. But I'll check > with my expert. > -- > ---------------------------------------- > Michael J Edelman mje_at_mich.com > http://www.mich.com/~mje > http://www.mich.com/~mje/kayak.html > http://www.mich.com/~mje/scope.html *************************************************************************** PaddleWise Paddling Mailing List Submissions: paddlewise_at_lists.intelenet.net Subscriptions: paddlewise-request_at_lists.intelenet.net Website: http://www.gasp-seakayak.net/paddlewise/ ***************************************************************************Received on Wed Mar 18 1998 - 19:39:19 PST
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