As he watched the Boston Celtics play at TD Garden, one noise kept catching Adel Djellouli's ear. "This squeaking sound when players are sliding on the floor is omnipresent," he said. Returning home from the game, Djellouli wondered how that sound was produce…
As he watched the Boston Celtics play at TD Garden, one noise kept catching Adel Djellouli's ear. "This squeaking sound when players are sliding on the floor is omnipresent," he said. Returning home … [+896 chars]
