EVERY YEAR, when the PopSci staff gathers to brainstorm our issue themes, there’s one thing the entire crew can count on: One of the dozens of Post-its in my scrawl will bear the word crunch. I always bring it up because of the visceral feeling it evokes. Not only do you feel the snap of a perfectly fried chip, but you also taste it, see it, and hear it. For some, just the word itself is enough to spark cravings…
