Squish Ball Drops

by Matt Nash, Tim Lowery, and Brad Oaks


The squishy ball used for these photos is about the same size as a racquetball, but is much easier to deform and is not as elastic.  If one compares photos of racquetballs and water balloons with those of squish balls, one will find that they deform in much the same way.  Perhaps these kinds of deformations are common for any object filled with freely-moving particles enclosed by an elastic material or surface.  The difference in the collision systems is mainly one of time.  The collision generally takes longer for the more easily deformed objects.

First Photo

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