A battery/flow battery separator technique inspired by Christmas candy.

Ribbon candy is one of my earliest memories of my grandparents’ house at Christmastime.

My grandparents’ house at Christmastime always had a strange array of Old World treats and candies that I never found anywhere else in my daily life. Pazzellas, Odd Christmas cookies, strange flavors decorated their table for the guests in a strange mix of West Virginia, Italian, and Hungarian food traditions. Also around the house were bowls (and “gumball machines”)…