The annual meeting of the American Association for the Advancement of Science wrapped up last week in Washington, DC. One particularly enjoyable and informative highlight was a session on Mathematics ...

Below left: The figure shows how geometrical music theory represents four-note chord-types -- the collections of notes form a tetrahedron, with the colors indicating the spacing between the individual ...

Composers often speak of fitting chords and melodies together, as though sounds were physical objects with geometric shape -- and now a Princeton University musician has shown that advanced geometry ...