"Unraveling the Mystery of Granular Material Vibrations: Insights from Theoretical Physicists"

Theoretical physicists have delved into the mysterious world of granular materials, shedding light on the propagation of sound through these materials, particularly near the "jamming transition." Their study, published in the European Physical Journal E, reveals universal and non-universal statistical features of the vibrational spectra of granular packings, described by random matrix theory. This work not only provides insights into everyday scientific mysteries but also presents a unified model for stress distribution and vibrational spectra, highlighting the importance of studying fundamental problems in the everyday world around us.