Sweet symphony

By Mark Schrope in Atlanta OPENING sweets at the movies always creates a disturbance. And now we know why. The crinkles in commonly used wrappings such as Mylar and cellophane are to blame, says a Massachusetts physicist. “This class of materials seems to be almost uniquely suited for producing very loud noises,” says Eric Kramer of Simon’s Rock College of Bard in Great Barrington. Kramer studied the sounds that pre-crumpled Mylar makes when it is unwrapped and scrunched up again. He found that the unwrapping cacophony is a series of individual clicks,
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