And particles of sound, known as phonons, are just as susceptible to Heisenberg's uncertainty principle as particles of light (photons) or, indeed, any other fundamentalparticle.
And we might be provided with clues that reveal the trail to unraveling the ultimate holy grail of fundamentalparticle physics -- a quantum theory of gravity.
For ICTP this is an incredibly important result given the fundamental role that Abdus Salam played in the development of the Standard Model of Particle Physics.