RISE UP/GEAR UP
New RFID technology helps robots find household objects
A complementary way robots can “sense” what is around them is through the use of small radio-frequency identification, or RFID, tags tuned to ultra-high frequencies. Inexpensive, self-adhesive tags can be stuck on objects, allowing an RFID-equipped robot to search a room for the correct tag’s signal. Once the tag is detected, the robot knows the object isn’t far away.