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Authors: George B. Dyson
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P REFACE
E DGE OF THE W ORLD
T his is a book about the nature of machines. It is framed as history but makes no claim to have separated the fables from the facts. Both mythology and science have a voice in explaining how human beings and technology arrived at the juncture that governs our lives today.
I have attempted, in my own life and in this book, to reconcile a love of nature with an affection for machines. In the game of life and evolution there are three players at the table: human beings, nature, and machines. I am firmly on the side of nature. But nature, I suspect, is on the side of the machines.
In November of 1972, at the age of nineteen, I built a small tree house on the shore of Burrard Inlet in British Columbia, and settled in. In winter I consumed books and firewood; in summer I explored the British Columbian and Alaskan coasts. The tree house, ninety-five feet up in a Douglas fir, was paneled with cedar I found drifting in Georgia Strait, split into boards whose grain spanned as many as seven hundred years.
During those tree house winters I had lots of time to think. It got dark at four in the afternoon, rained for days on end, and, when the ocean fog rolled in, the earth, but not the sky, was obscured. At odd, unpredictable moments I found myself wondering whether trees could think. Not thinking the way we think, but thinking the way trees think; say, two or three hundred years to form the slow trace of an idea.
I spent the summers working on a variety of boats. When running at night I preferred to take the midnight-to-daybreak watch. By three or four in the morning, I was alone with the trace of unseen landforms on the radar screen and the last hour or two of night. I sometimes left the helm and paced the decks. The world receded in a phosphorescent wake, while birds appeared as red or green phantoms in the glow of the running lights, depending on whether they took wing on the port or starboard side. I also found myself slipping down into the engine room for more than the obligatory check.
When you live within a boat its engine leaves an imprint, deeper than mind, on neural circuits first trained to identify the acoustic signature of a human heart. As I had sometimes drifted off to sleep in the forest canopy, boats passing in the distance, and wondered whether trees might think, so I sat in the engine-room companionway in the small hours of the morning, with the dark, forested islands passing by, and wondered whether engines might have souls. This question threads its way through the chapters of this book.
We are brothers and sisters of our machines. Minds and tools have been sharpened against each other ever since a scavengerâs stone fractured cleanly and the first cutting edge was held in a hunterâs hand. The obsidian flake and the silicon chip are struck by the light of the same campfire that has passed from hand to hand since the human mind began.
This book is not about the future. Where we are at present is puzzling enough. I prefer to look into the past, exercising the historianâs privilege of selecting predictions that turned out to be right. The past is where we find answers to our questions: Who are we, and why? The future is where we see questions to which the answers are up to us.
Do we remain one species, or diverge into many?
Do we remain of many minds, or merge into one?
A CKNOWLEDGMENTS
P rinceton Universityâs Firestone Library, the largest open-stack collection in the world, is one of the few libraries that require a university identification card to get in. The job of guarding the turnstile at the entrance to the library must dull oneâs attention over the years, and I discovered in 1967 that by melting into the crowd of students flooding into the library at 8:30 in the morning, it was usually possible to sneak in. Firestoneâs fifty-five miles of books, most of them shelved underground, offered a warm, anonymous refuge until it was safe to reappear
E DGE OF THE W ORLD
T his is a book about the nature of machines. It is framed as history but makes no claim to have separated the fables from the facts. Both mythology and science have a voice in explaining how human beings and technology arrived at the juncture that governs our lives today.
I have attempted, in my own life and in this book, to reconcile a love of nature with an affection for machines. In the game of life and evolution there are three players at the table: human beings, nature, and machines. I am firmly on the side of nature. But nature, I suspect, is on the side of the machines.
In November of 1972, at the age of nineteen, I built a small tree house on the shore of Burrard Inlet in British Columbia, and settled in. In winter I consumed books and firewood; in summer I explored the British Columbian and Alaskan coasts. The tree house, ninety-five feet up in a Douglas fir, was paneled with cedar I found drifting in Georgia Strait, split into boards whose grain spanned as many as seven hundred years.
During those tree house winters I had lots of time to think. It got dark at four in the afternoon, rained for days on end, and, when the ocean fog rolled in, the earth, but not the sky, was obscured. At odd, unpredictable moments I found myself wondering whether trees could think. Not thinking the way we think, but thinking the way trees think; say, two or three hundred years to form the slow trace of an idea.
I spent the summers working on a variety of boats. When running at night I preferred to take the midnight-to-daybreak watch. By three or four in the morning, I was alone with the trace of unseen landforms on the radar screen and the last hour or two of night. I sometimes left the helm and paced the decks. The world receded in a phosphorescent wake, while birds appeared as red or green phantoms in the glow of the running lights, depending on whether they took wing on the port or starboard side. I also found myself slipping down into the engine room for more than the obligatory check.
When you live within a boat its engine leaves an imprint, deeper than mind, on neural circuits first trained to identify the acoustic signature of a human heart. As I had sometimes drifted off to sleep in the forest canopy, boats passing in the distance, and wondered whether trees might think, so I sat in the engine-room companionway in the small hours of the morning, with the dark, forested islands passing by, and wondered whether engines might have souls. This question threads its way through the chapters of this book.
We are brothers and sisters of our machines. Minds and tools have been sharpened against each other ever since a scavengerâs stone fractured cleanly and the first cutting edge was held in a hunterâs hand. The obsidian flake and the silicon chip are struck by the light of the same campfire that has passed from hand to hand since the human mind began.
This book is not about the future. Where we are at present is puzzling enough. I prefer to look into the past, exercising the historianâs privilege of selecting predictions that turned out to be right. The past is where we find answers to our questions: Who are we, and why? The future is where we see questions to which the answers are up to us.
Do we remain one species, or diverge into many?
Do we remain of many minds, or merge into one?
A CKNOWLEDGMENTS
P rinceton Universityâs Firestone Library, the largest open-stack collection in the world, is one of the few libraries that require a university identification card to get in. The job of guarding the turnstile at the entrance to the library must dull oneâs attention over the years, and I discovered in 1967 that by melting into the crowd of students flooding into the library at 8:30 in the morning, it was usually possible to sneak in. Firestoneâs fifty-five miles of books, most of them shelved underground, offered a warm, anonymous refuge until it was safe to reappear
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