Submitted by Paul on Sun, 04/10/2009 - 19:35.
Radio signals are sent and received in a wireless network. These signals vary in a predictable way when the volume of space in which they travel changes. Why would the volume of space change? Well, any movement will have this effect regardless if it is a bird, an object, or a person that is moving. Although it is at the beginning, this technology has potential for huge breakthroughs. Its main advantage is cost. While other systems cost over $100,000, this one can cost as little as $500. The second advantage is its simplicity; it is simple to set up, operate, and maintain. Read more »
