us patent 5924692 bruce l rosenberg snapstix
DESCRIPTION
This United States patent, "Multi-Stable Mechanical Device Employing Compacted Rods or Disks" is based on the physical processes accompanying the rearrangement of a multiplicity of independent identical elements which are constrained to interact by the presence of a surrounding deformable envelope. They were inspired by the pioneering work of Osborne Reynolds on dilatancy in a granular medium. Invented by Bruce Lamar Rosenberg.TRANSCRIPT
