Chapter 1. Physics, Math, and RFID: Mind the Gap

Introduction

What do the U.S. Department of Defense, Wal-Mart, and you have in common? Radio frequency identification, or RFID! Whether you choose to know about it or not, RFID affects you and the world around you in a ubiquitous way. So, congratulations that you have chosen to learn about it.

The first thing to understand about RFID is that it is an application of physics to the extent that the core functioning ...

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