date:Jun 10, 2019
Scientists have developed sensors for meat and fish packaging which, they say, could help detect spoilage and reduce food waste in supermarkets and domestically.
One in three UK consumers throw away food solely because it reaches the use-by date, but 60% of the 12.5 billion-worth of food we throw away each year is safe to eat.
These new laboratory prototype sensors, developed at Imperial College London, cost two US cents each to make.
Known as paper-based electrical gas sensors (PEGS), they d