> Yes, Lagrange, the center of Lorain County. Do you find that either (i) A whole lot of stuff tends to drift in from all directions and then hangs about indefinitely or (ii) If you put something down it may be there the next time you want it if you don't disturb it, but the merest bump and odds are that you'll never be able to find it ever again? Russell McMahon .. .. .. .. .. .. .. .. ... at the risk of spoilinng the fun .. .. .. .. .. .. .. .. .. .. http://en.wikipedia.org/wiki/Lagrangian_point http://www.physics.montana.edu/faculty/cornish/lagrange.html http://www.esa.int/esaSC/SEMM17XJD1E_index_0.html http://math.ucr.edu/home/baez/lagrange.html http://hyperphysics.phy-astr.gsu.edu/hbase/mechanics/lagpt.html http://www.orbitsimulator.com/formulas/LagrangePointFinder.html http://orbitalvector.com/Space%20Structures/Lagrange%20Structures/LAGRANGE%= 20POINT%20STRUCTURES.htm --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .