There's a great discussion of this project in Deep Time by Gregory Benford, which is where I first learned about it. http://www.amazon.com/Deep-Time-Humanity-C

There's a great discussion of this project in Deep Time by Gregory Benford, which is where I first learned about it. http://www.amazon.com/Deep-Time-Humanity-Communicates-Millennia/dp/0380793466/ http://www.amazon.com/Deep-Time-Humanity-Communicates-Millen...