Step into Grandpa Joe’s Candy Shop in Pittsburgh and watch as the years melt away faster than chocolate on a summer sidewalk.
It was Halloween, and they specialized in the old-fashioned candies that all kids hate (or at least me, but I suspect it is all kids): Mary Janes, Bit-O-Honeys, Necco wafers and the like.
Shanghai Key Laboratory of Materials Laser Processing and Modification, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China ...