When shoes slide across a floor, wave-like deformations of the sole can generate squeaking. The pitch of the squeak depends on the rate at which deformations are generated. Bart Weber is at the ...

As he watched the Boston Celtics play from the stands of TD Garden, one noise kept catching Adel Djellouli's ear. “This squeaking sound when players are sliding on the floor is omnipresent,” he said. ...