In creating what looks to be a simple children's musical instrument -- a xylophone with keys in the shape of zoo animals -- computer scientists have demonstrated that sound can be controlled by 3D-printing shapes. They designed an optimization algorithm and used computational methods and digital fabrication to control acoustic properties -- both sound and vibration -- by altering the shape of 2D and 3D objects.
from Strange & Offbeat News -- ScienceDaily http://ift.tt/1MWxxAv
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