If the Holographs are made of 4 different types of wood then they will have 4 different shear velocities.
The twisted bodies have multiple angles from which they will both receive and relaunch compessive and shear wave energy to and from the hard angles and into the air of the room. Tom
The twisted bodies have multiple angles from which they will both receive and relaunch compessive and shear wave energy to and from the hard angles and into the air of the room. Tom