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Title: Himalayan railway tour puzzle. Post by: johnneyw on December 07, 2022, 12:27:44 One of my friends and his good lady are exploring in India right now, traveling around by railway.....lucky so-and-so.
He sent me the attached photo shortly before departure on a Himalayan leg of the trip wondering what the wording "ball and sausages packing" on the end of the carriage meant. Although not a member himself, he wondered if anyone on this forum could shed some light on the matter, hence this post from myself. Any suggestions would be welcome and I can forward the replies on to him.....or tell him to log on as a guest, off course. Title: Re: Himalayan railway tour puzzle. Post by: grahame on December 07, 2022, 13:05:54 1.Suggest he joins - it's no cost, straightforward, he has nothing to loose and much to gain from it being easier to navigate the site.
2. From Wikipedia (https://en.wikipedia.org/wiki/Finite_sphere_packing), looking at ways to pack spheres (balls) Quote Sausage packing An arrangement in which the midpoint of all the spheres lie on a single straight line is called a sausage packing, as the convex hull has a sausage-like shape. An approximate example in real life is the packing of tennis balls in a tube, though the ends must be rounded for the tube to coincide with the actual convex hull. Of course, Sausage packing differs from Pizza packing ... Title: Re: Himalayan railway tour puzzle. Post by: Witham Bobby on December 07, 2022, 15:28:49 Likely to be something to do with the type of wheel bearings that this coach rolls on, I suspect. Other than that, the mind boggles
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