Researchers develop a fully edible temperature sensor to show if frozen food has previously thawed
When you’re standing in the frozen food aisle, it’s nearly impossible to know whether that steak has thawed and been refrozen — a process with potentially harmful consequences. So, researchers reporting in ACS Sensors have designed a food-grade device from edible materials, including table salt, red cabbage and beeswax, that lets you know. The proof-of-concept […]
