Non-Fiction Frank Adam About Time

ISBN 13: 9781851689644

About Time

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9781851689644: About Time

From a Palaeolithic farmer living by the sun and stone plinths to the factory worker logging into an industrial punch clock to the modern manager enslaved to Outlook's 15-minute increments, our relationship with time has constantly evolved alongside our scientific understanding of the universe. And the latest advances in physics - string-theory branes, multiverses, "clockless" physics - are positioned to completely rewrite time in the coming years. Weaving cosmology with day-to-day chronicles and a lively wit, astrophysicist Adam Frank tells the dazzling story of humanity's invention of time and how we will experience it in the future.

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About the Author:

Adam Frank is a professor of astrophysics at the University of Rochester, in New York. The recipient of a Hubble Fellowship, he writes frequently for Discover, Astronomy, and Scientific American magazines. He is also a co-founder of NPR's top-ranking science blog, 13.7 (npr.org/13.7).

Excerpt. © Reprinted by permission. All rights reserved.:

Chapter 1
TALKING SKY, WORKING STONE AND LIVING FIELD

From Prehistory to the Agricultural Revolution

ABRI BLANCHARD: THE DORDOGNE, FRANCE · 20,000 BCE

The shaman stands before the opening of the cave and waits. Night is falling now and the piercing cold of autumn easily penetrates her animal-hide cloak. Outside, beyond the sheltering U-shaped bay of low cliff walls, the wind has picked up. These winds originated hundreds of miles to the north at the blue-white wall of glaciers that cover much of northern Europe.1

Winter is coming and the shaman’s people will have to move soon. The hides and supplies will be gathered and they will begin the trek toward the low-hanging sun and the warmer camps. But tonight the shaman’s mind is fixed on the present and she waits. It is her job to read the signs the living world provides. It is her job to know the turnings of Earth, animal and sky. The shaman’s people depend on this wisdom and so she waits to complete the task her mother suggested before she died. She waits, massaging the reindeer bone fragment in one hand and the pointed shard of flint in the other.

Now she sees it, the glow over the eastern horizon. The great mother rises. The shaman waits to see the moon’s face—pale, full of power. There, see! She is complete again.

From the crescent horns of many days ago, she has now returned, completed, to life. The full circle of the moon’s face, promising rebirth and renewal, has returned. The shaman holds the bone fragment before her in the gray light. With her index finger she traces out the long serpentine trail of her previous engravings on the bone. Then at the end of the trail she makes tonight’s mark with the flint-knife, carving the shape of tonight’s full moon into the hard bone.

Two rounds of the moon’s dying and rebirth have now been traced out. The shaman’s work is complete. The round of life and death in the sky, like the rounds of women’s bleeding, have been given form, remembered, noted and honored. She returns the bone to its place beneath the rocks where she keeps the other shamanic tools her mother gave her so long ago. Now she has added to the store, a marking of passages, that she will use and pass on to her own children.2

WANDERING TIME: THE PALEOLITHIC WORLD

The origins of human culture are saturated with time but we have only recently learned to see this truth. The evidence of the age when we grew into an awareness of ourselves, the cosmos and time itself had always been just out of reach. For most of our remembered history, the clues to the birth of culture and cultural time lay forgotten, buried a few feet below the ground. Then, in the late 1870s, the discoveries began and we started to remember.

We first encountered the great awakening of our consciousness in 1879 in Spain when the nine-year-old daughter of amateur archeologist Marcelino Sanz de Sautuola led him to a cave at Altamira. Venturing inside, he found its walls covered in vivid paintings now known to be twenty thousand years old. As archeologists began systematic explorations, new caves were discovered, many of them also covered in paintings. The caves are a bestiary: bear, bison and mastodon appear on the walls along with other species. Sometimes these animals appear alone. Other times they are in herds. Sometimes we appear too—human figures set against the herd, spear at the ready.

These paintings gave voice to a heretofore silent past, showing that early humans were anything but “savages” incapable of representation, abstraction or response. This vivid prehistory, the time before written records, was set into a temporal sequence through painstaking work across the twentieth century. Radiocarbon dating allowed scientists to see when each cave was inhabited and when the paintings were laid down. As the sequence became complete, scientists came to understand how rapidly our ancestors had reimagined what it meant to be human. With that recognition, conceptions of evolution and the origins of the human mind were thrown open. Scientists began searching for some purchase on a new theory that could explain how the mind rapidly woke to itself and to time.

Buried next to the painted walls, archeologists discovered artifacts worked by human hands. There were statues of women with wide hips, pendulous breasts and finely articulated vulvas, seeming to focus on the mysteries of fertility. Spear points, needles, flint daggers and hammers spoke of cultures skilled in the creation of a diverse set of tools for diverse needs. And on the floor of a cave at Abri Blanchard, a rock shelter in the Dordogne region of central France,3 archeologists found a “small flat ovoid piece of bone pockmarked with stokes and notches . . . just the right size to be held in the palm of the hand.”4

The Abri Blanchard artifact would sit in a French museum for decades until amateur archeologist Alexander Marshack chanced upon it. Marshack was a journalist hired by NASA in 1962 to recount the long human journey leading up to the Apollo moon landing program. In his efforts for NASA, Marshack dug so deeply into the history of astronomy, he found himself at the very dawn of human time. He first became obsessed with the Abri Blanchard bone when he encountered it, as part of his NASA project, in grainy illustrations of forgotten archeology tracts. Eventually traveling to the imposing Musée des Antiquités Nationales near Paris, he found the small artifact all but ignored in a “musty . . . stone chamber” among “accumulations of Upper Paleolithic materials, crowded under glass with their aged yellowing labels.”5

Marshack dedicated years of intense study to the Abri Blanchard bone fragment, rejecting the accepted wisdom that the notched carvings were nothing more than early artistic doodling. He traced over the curved trail of finely etched crescents and circles again and again. Finally he discovered a pattern echoing his own interests and his ongoing studies of the moon’s impact on human life, time and culture. In 1970 he published a closely reasoned and convincing argument that the etchings on the bone fragment were one of the earliest tallies of time’s passage, a two-month record of passing lunar phases.6 Rather than random doodles, the creator of the Abri Blanchard fragment had been marking time in a systematic way, for perhaps the first time ever.

In caves at other sites across the world, fragments of humanity’s first encounters with time were also found. Sticks with sequential notches, flat stones engraved with periodic engravings—each artifact gave testimony to an increasingly sophisticated temporal awareness.7 It was in those caves, tens of thousands of years ago, that the dawn of time broke in the human mind.8

Scientists call this era the Paleolithic—meaning “old stone age.” The origins of human culture (and human time) occurred during the so-called Upper Paleolithic, from roughly 43,000 to 10,000 BCE.9 All human beings during this period lived as hunter-gatherers and left us no written records of their thoughts (writing would have to wait until around 4000 BCE). Through painstaking analysis and considerable imagination, however, scientists have pieced together the outlines of the Paleolithic human universe. Using the artifacts found at sites around the world and the narratives of contemporary hunter-gatherers, scientists have gained some understanding of these first modern humans.

The Abri Blanchard bone fragment dates back from twelve to twenty thousand years ago, a time when the planet looked very different from the relatively warm, wet globe we now inhabit.10 It was an era when ice covered much of the Northern Hemisphere. France, as experienced by the unnamed paleoastronomer marking the moon at Abri Blanchard, was a realm of polar deserts, tundra and towering glaciers.11 Humans were scarce on the ground, and they struggled to endure the hostile climate. This was not the first time members of the genus Homo had endured climate change of this kind. Ice sheets had come and gone in the past, but something remarkable happened to Homo sapiens during the planet’s last deep freeze that would, in time, alter the face of the planet itself.

Somehow the depths and deprivations of the last climatic winter drove our ancestors to make revolutionary leaps in behavior. It was early in this period that human beings began burying their dead. Later they invented art and music. Clothes were soon fashioned by sewing animal pelts together.12 People began to invent systems for counting and, most important, started to codify the passage of time.13 It is in this period that the modern mind—with its penchant for analysis and allegory, concretizing and abstraction—emerged. Compared with earlier eras, the speed with which these radical changes swept through populations is startling and has led scholars to call the Upper Paleolithic the Big Bang of consciousness.14 Any understanding of the inseparable narratives of cosmic and human time must begin here, with the rapid expansion of consciousness that would one day embrace the very cosmos in which it was born.

TIME OUT OF MIND: THE ORIGINS OF MODERN CONSCIOUSNESS

The explicit recognition and representation of nature’s repeating patterns were radical developments in hominid evolution. Thus, to understand the emergence of time in the mind, we must first understand the emergence of mind.

The hominid species that came before us faced challenges similar to those facing our ancestors. From the fossil record, it appears that the earliest versions of Homo sapiens may have overlapped for a brief time with both Homo erectus and Homo heide...

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