A Boston Celtics game-inspired friction test finally pinned down the sneaker squeak
NEW YORK (AP) — 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. “It’s always there, right?” Squeaky shoes are part of the symphony of a basketball game, when rubber…