RFID Can Detect Bad Food

RFIQ is based on a process known as "weak coupling"
RFIQ is based on a process known as “weak coupling”(Credit: MIT)

Passive RFID (radio frequency identification) tags are small, inexpensive, battery-less labels that are already used to track and identify a wide variety of items. If MIT’s experimental RFIQ system enters general use, they may also soon allow consumers to check if food products are contaminated. read more