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CINEMA audiences could be in for an extra-special treat—giant popcorn.
Physicists in Pennsylvania have cooked up a mathematical recipe for a fatter and
fluffier snack, which could also save manufacturers and consumers money.

Daniel Hong at Lehigh University in Bethlehem, Pennsylvania, devised the
recipe after hearing a speech by Young Hwa Kim, head of a company that applies
physics to industrial problems. Kim mentioned one challenge that a food company
had raised: how can you double or triple the size of popcorn?

To find out, Hong and his graduate student Joseph Both tailored some standard
equations of thermodynamics to…

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