Hitachi has developed a new RFID chip, one that is much smaller than existing chips. This new chip is not that much bigger than the size of a grain of sand. RFID stands for “radio frequency identification.” RFID chips are tiny computer chips embedded into products and animals (and sometimes people) to identify and track them. […]
The New RFID Chip
![Computer Chip](https://media.teachprivacy.com/wp-content/uploads/2007/02/28160719/Computer-Chip-cpu-564789_1280-1024x682.jpg)