So the team calculated how more
common bubble shape — an ellipsoid — could be built up from a series of component spheres, each of which gave them «a bunch of frequencies and a bunch of amplitudes», says Moss, allowing them to work out what the sound of the original bubble would be.
That characters who drive are usually out for themselves rather than the
common good makes sense, because while technically you're out in public when you drive, to some extent you remain cut off from the world outside your car -
shaped bubble.