This is an experiment proposed by archaeologist M. Imwalle.

The fracture of a clay bowl is recorded through an impact event that causes its fracture.  Individual pieces are excavated and later individually digitized with 3 Dimensional laser scans.  The bowl is reconstructed digitally as well as physically with white glue and then re-scanned.  Future archaeologists should laser scan all their debris to allow computational topologists to reassemble their data at a later point with shape solving algorithms. Adjacent fractured faces should pair uniquely and therefore the mating alignment should be distinguishable.  It must first identify what can be considered a consistent face.  This clay bowl (a shape with intersecting convex, concave, and a semi-toroidal surfaces) fractures into 3, 4, and 5 sided fractured-face shapes (not including the 2 other smooth faces on any big piece).  It is easy to re-assemble both by hand and digitally (not referring to finger manipulation in this instance although they are needed in the physical case).

Physics Experiments





   beer droplets in oil  

   droplet interactions  

   bubble motion

   fluid viscosity  


   magnetic control of a thread

   deflection of an asteroid

   magneto-kinetic objects

   shaping magnetic fields

   ion spray generator


   Black-Hole in a Beer Can?  

   projectiles in magnetic fields

   projectiles in fluids

   Big Stir Theory

   impact curtain experiments

   balancing mechanism

   flapping wing mechanism

   fracture and reconstruction

   trefoil geometry


  green and red lasers in gas and fluid

  laser projection devices

  reflection, refraction, scattering


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