Sensors inside a running shoe, like the one UCSD’s Don Sirbuly is holding, may be part of the next wave in wearable technology. Photo courtesy of SmartFoam

Sensors inside a running shoe, like the one UCSD’s Don Sirbuly is holding, may be part of the next wave in wearable technology. Photo courtesy of SmartFoam

— Don Sirbuly sits at his office desk at UC San Diego’s engineering school and offers me a squishy piece of black plastic foam about the size of a dime...